CN109200401B

CN109200401B - Medical care tool scissors

Info

Publication number: CN109200401B
Application number: CN201811280435.0A
Authority: CN
Inventors: 孙文佳; 马瑞丽; 徐艳华; 杨瑾; 文弘扬
Original assignee: First Affiliated Hospital of Zhengzhou University
Current assignee: First Affiliated Hospital of Zhengzhou University
Priority date: 2018-10-30
Filing date: 2018-10-30
Publication date: 2021-06-04
Anticipated expiration: 2038-10-30
Also published as: CN109200401A

Abstract

The invention relates to the technical field of medical instruments, in particular to a pair of medical nursing tool scissors, which comprises a first scissor part and a second scissor part which are hinged and connected, wherein the first scissor part and the second scissor part are identical in structure and size, a clamping piece convenient for clamping an article is movably connected to one side, close to the hinged part, of the first scissor part, a supporting piece matched with the clamping piece to clamp the article is fixed on the second scissor part, a clamping hole convenient for inserting the article is clamped in the clamping piece, a clamping claw convenient for clamping the article is arranged at one end, close to the second scissor part, of the clamping piece, a poking piece is rotatably connected to one end, far away from the second scissor part, of the clamping piece, and the poking piece is hinged to the second scissor part.

Description

Medical care tool scissors

Technical Field

The invention relates to the technical field of medical instruments, in particular to a pair of medical nursing tool scissors.

Background

The existing insulin injection pen needs manual work to disassemble and assemble the needle head, but the volume of the insulin needle head is small, the length is short, when the needle head is manually screwed, the short fingers of the needle head are difficult to avoid, and the fingers are easy to puncture to cause infection and injury. In addition, the transition part between the upper syringe needle and the threaded connection part of the insulin syringe needle is cylindrical and polygonal prism-shaped, the part is slightly thicker than the syringe needle and is integrally arranged with the connector, the syringe needle is fixedly installed with the connector through the transition part, and the connector and the insulin injection pen are in a threaded connection structure, so that the syringe needle can be replaced conveniently, and the insulin syringe needle can be disassembled and assembled by using a special structure as well as two different transition parts.

Disclosure of Invention

Aiming at the situation, the invention provides a pair of medical nursing tool scissors for overcoming the defects of the prior art, and is used for solving the problems that the operation is difficult and the fingers of an operator are easily pricked when the needle head of the existing insulin injection pen is detached and replaced.

The technical scheme includes that the scissors comprise a first scissors portion and a second scissors portion which are hinged and connected, and are identical in structure and size, wherein a clamping piece convenient for clamping an article is movably connected to one side, close to the hinged portion, of the first scissors portion, a supporting piece matched with the clamping piece to clamp the article is fixed on the second scissors portion, a clamping hole convenient for inserting the article is clamped in the clamping piece, a clamping jaw convenient for clamping the article is arranged at one end, close to the second scissors portion, of the clamping piece, a stirring piece is rotatably connected to one end, far away from the second scissors portion, of the clamping piece, and the stirring piece is hinged to the second scissors portion.

Preferably, first, two scissors portion include scissors head, scissors body, scissors handle and handle, scissors head and scissors handle are extended to form and by the both ends of scissors body respectively, the scissors sword has been seted up to one of them side of scissors body, the hinge hole has been seted up to the end of scissors body, first scissors portion is connected through the hinge hole is articulated with second scissors portion, the one end and the handle fixed connection of scissors body are kept away from to the scissors handle.

Preferably, a clamping groove is formed in one end, close to the hinge hole, of the scissor handle, a sliding ring is fixed in the clamping groove in the first scissor portion, the clamping piece is connected with the sliding ring in a sliding mode, a supporting plate is fixed on the scissor handle at the position of the clamping piece, a structure which enables the clamping jaws to shrink and clamp objects in a matched mode is formed, the supporting plate is fixed on the end face, close to the second scissor portion, of the scissor handle at the position of the clamping piece, the supporting piece is fixed in the clamping groove in the second scissor portion, and the poking piece is connected to the edge, far away from the first scissor portion, of the handle in the second scissor portion in a hinged mode.

Preferably, the clamping member is a cylindrical structure, a sliding groove is formed in the outer surface of the clamping member, the sliding ring is slidably connected in the sliding groove, a groove is formed in one end face of the clamping member, the clamping hole is formed in the groove and penetrates through the clamping member, a clamping sleeve is fixed in the groove, a communication hole communicated with the clamping hole is formed in the clamping sleeve, the vertical cross section of the communication hole is isosceles trapezoid, tightening grooves communicated with the clamping hole are formed in the clamping member, clamping members between the tightening grooves form clamping jaws, the inner side ends of the clamping jaws are pointed ends, the diameter of a circle enclosed by the pointed ends of the clamping jaws in the clamping member is equal to that of the clamping hole, the diameter of a circle enclosed by the pointed ends of the clamping jaws at one side face of the clamping member is larger than that of the clamping hole, a transmission gear is fixed on the outer surface of one end of the clamping member where the groove is located, and the supporting plate is, the holding tank has been seted up with the junction of scissors handle to the layer board, the slip ring is close to the one end of second scissors portion and is in the holding tank.

Preferably, the poking part comprises a gear plate and a pressing plate, the gear plate is a sector gear, the front end of the gear plate is meshed with the transmission gear, the tail end of the gear plate is hinged to the handle of the second scissor portion, the tail end of the gear plate is fixedly connected with the pressing plate in a perpendicular mode, the length of the pressing plate is larger than the rotating radius of the gear plate, and anti-skid grains are formed in the pressing plate.

Preferably, the support piece comprises two supporting plates fixedly connected through fixing nails, two adjacent supporting plates are provided with a limit convex groove between the fixing nails, the limit convex groove is movably connected with a ball, two ends of the supporting plates are fixedly connected with two ends of a clamping groove in the second scissors portion through fixing blocks, a fixing column is fixedly connected to the supporting plate at the fixing nail position, and the other end of the fixing column is fixedly connected to the inner wall of the clamping groove in the second scissors portion.

Preferably, the width of scissors head is the half of the width with the handing-over department scissors body of scissors body, scissors head extends along the width direction of scissors body in first scissors portion, and surpasss the thickness of scissors head part and equals scissors head thickness, scissors head combination constitutes the tweezers structure in first, two scissors portions, seted up anti-skidding line on the relative face of scissors head in first, two scissors portions.

Preferably, one end of the scissor handle, which is far away from the scissor body, is fixedly connected with the handle in a hot melting mode, one side edge, opposite to the scissor handle, of the first scissor part and the second scissor part exceeds the edge of the handle, and a plurality of fixing holes are formed in the scissor handle in the handle.

According to the technical scheme, the function of clamping articles can be realized through a tweezers structure formed by the scissor heads on the first scissor part and the second scissor part, the shearing function of the scissor is realized through the scissor blade arranged on the scissor body, the clamping groove arranged on the scissor handle, the clamping piece and the supporting plate fixed on the first scissor part, and the supporting piece and the rolling balls fixed on the second scissor part are used for clamping the insulin needle head, meanwhile, the clamping piece is rotated through the poking piece to realize the insulin needle head dismounting, and the insulin needle heads in different shapes are clamped through the design of the clamping sleeves at two ends of the clamping piece and the clamping claws.

Drawings

Fig. 1 is a front view of a medical care tool scissors according to the present invention.

Fig. 2 is an enlarged view of the area a in fig. 1.

Fig. 3 is a rear view of the medical care tool scissors of the present invention.

Fig. 4 is an enlarged view of the region B in fig. 3.

Fig. 5 is a schematic structural view of a second scissor portion of the medical care tool scissors of the invention.

Fig. 6 is an enlarged view of the region C in fig. 5.

Fig. 7 is a side view of a first pair of scissors of the medical-care tool scissors of the present invention.

Fig. 8 is an enlarged view of the region D in fig. 7.

Fig. 9 is a schematic view of a fastener of the medical care scissors.

The scissors comprise a scissors body, a scissors handle, a scissors blade, a scissors hinge hole, a scissors head, a scissors handle, a scissors blade, a scissors hinge hole, a hinge ring, a slide groove, a hinge ring.

Detailed Description

Those of ordinary skill in the art will recognize that the terms "above," "below," "upward," "downward," "top," "bottom," and the like are used for the description of the figures and do not represent limitations on the scope of the invention, as defined by the claims.

The medical care tool scissors shown in fig. 1, 3, 5 and 7 comprise a first scissors portion 1 and a second scissors portion 2, wherein the first scissors portion 1 and the second scissors portion 2 are identical in structure and size, production and assembly are facilitated, the structures of the first scissors portion 1 and the second scissors portion 2 can be matched, and functions of clamping, shearing, clamping and the like of the scissors are achieved. First scissors portion 1 includes scissors head 3, scissors body 4, scissors handle 5 and handle 6, and scissors head 3 extends out and constitutes L type structure with scissors body 4 by the front end of scissors body 4 for there is the breach between scissors body 4 and the scissors head 3, and the scissors head 3 uses in cooperation on first scissors portion 1 and the second scissors portion 2 of being convenient for, realizes that the scissors presss from both sides the function of getting article. Scissors head 3 extends along the width direction of scissors body 4 and constitutes the splint structure, and the width of the splint structure that scissors head 3 constitutes equals the twice of the thickness of scissors body 4 for the splint structure that first scissors portion 1 and second scissors portion 2 constitute when closed scissors head 3 makes up into tweezers structure, and the more convenient clamp of scissors head 3 of being convenient for gets article. Anti-skidding line has been seted up on the opposite face of the splint structure that first scissors portion 1 and second scissors portion 2 went up scissors head 3 and constitute, offers anti-skidding line on the side of the scissors head 3 of the breach department that first scissors portion 1 and second scissors portion 2 went up scissors head 3 and scissors body 4 and constitute promptly for article are got to the tweezers that first scissors portion 1 and second scissors portion 2 went up scissors head and constitute more firm clamp structure. The length of the scissor head 3 is 12-20mm, so that the scissor head 3 is convenient to realize the function of clamping objects, meanwhile, the scissor head 3 is not too long and easy to bend, the stability of the scissor head 3 is affected, and the scissor head 3 is not too short and is inconvenient to clamp objects.

As shown in fig. 1, 3, 5, 7, the medical care instrument is cut, scissors blade 7 has been seted up to one of them side of scissors body 4, the side of offseting of scissors body 4 of scissors blade 7 department contacts on first scissors portion 1 and the second scissors portion 2 when the scissors is closed, and seted up the sword groove on the scissors body 4 of scissors blade 7 department, make the cross-section of scissors blade 7 be right trapezoid, the scope of scissors blade 7 is convenient for inject in the sword groove, the cross-section is right trapezoid's scissors blade 7 makes the scissors sharper, be convenient for cut article more. The length of the scissor body 4 is 50-70mm, the length of the scissor edge 7 is 55-65mm, so that the length of the scissor body 4 is more moderate compared with that of the whole scissor, and simultaneously the scissor is more attractive, the length of the scissor edge 7 is convenient for the maximal utilization of the scissor body 4, the shearing area of the scissor is larger, and articles can be sheared more conveniently. Hinge hole 8 has been seted up to the end of scissors body 4, and first scissors portion 1 passes through hinge hole 8 by rivet 9 with second scissors portion 2 and articulates the connection for first scissors portion 1 and second scissors portion 2 can link together and constitute complete scissors, can use hinge hole 8 to rotate as the center simultaneously.

As shown in fig. 1, 3, 5, and 7, the medical nursing scissors tool has a scissor handle 5 extending from the end of the scissor body 4 and forming an L-shape with the scissor body 4, and one side of the scissor head 3 extending from one side of the scissor body 4, one side of the scissor handle 5 extending from the other side of the scissor body 4, and a scissor blade 7 disposed on the side of the scissor body 4 where the scissor handle 5 is located, so as to facilitate the opening and closing of the scissor head 3 and the scissor blade 7 by rotating the scissor handle 5, and simultaneously, the scissor head 3 and the scissor blade 7 on the first scissor part 1 and the second scissor part 2 are matched to achieve the function of clipping and cutting objects. The lower extreme and the fixed an organic whole of handle 6 hot melt of scissors handle 5 are connected for scissors handle 5 forms a whole with handle 6 fixed connection, and then is convenient for control scissors handle 5 through handle 6 and uses hinge hole 8 to rotate as the center. The scissors handle 5 is provided with a fixing hole 18, and the fixing hole 18 is arranged at the lower end of the scissors handle 5 and is fixed in the handle 6, so that the scissors handle 5 and the handle 6 are fixedly connected more firmly. The number of the fixing holes 18 is preferably 2-4, the number of the fixing holes 18 is not less than two, otherwise, the scissor handle 5 and the grip 6 can shake relatively, the overall stability of the scissor handle 5 and the grip 6 is not facilitated, the number of the fixing holes 18 is not more than four, otherwise, the stability of the scissor handle 5 in the grip 6 is poor, and bending or breaking is easy to occur. The relative side of scissors handle 5 exceeds the border of handle 6 on first scissors portion 1 and the second scissors portion 2, and the side of scissors handle 5 and the scissors handle 5 of 4 breach departments of scissors body on first scissors portion 1 and the second scissors portion 2 promptly exceeds the border of handle 6 for scissors handle 5 is closer on first scissors portion 1 and the second scissors portion 2 when the scissors is closed, and then is convenient for press from both sides and get, cut article. The length of the part of the scissor handle 5 in the handle 6 is half of the length of the scissor handle 5, and the length of the scissor handle 5 is 40-60mm, so that the scissor handle 5 and the handle 6 are more firmly fixedly connected, the stability of the part of the scissor handle 5 exceeding the handle 6 is also increased, and meanwhile, sufficient space is reserved for arranging the clamping groove 10 and the clamping piece 12 on the scissor handle 5 exceeding the handle 6.

As shown in fig. 1, 3, 5 and 7, the handle 6 is made of medical PVC plastic, which is convenient for the production of the scissors and does not increase the weight of the scissors. Scissors handle 5 is fixed in the position that surpasss in the middle of handle 6, and the distance that surpasss is the half of scissors handle 5 thickness for handle 6 can counterbalance on first scissors portion 1 and second scissors portion 2 when the scissors is closed, and then be convenient for through the opening and shutting of handle 6 control scissors, prevent the crisscross closure of first scissors portion 1 and second scissors portion 2, influence opening of scissors. The grip 6 is provided with a grip hole 19 for allowing a finger to pass through to control the opening and closing of the grip 6. The relative side of handle 6 is fixed with stopper 20 on first scissors portion 1 and the second scissors portion 2, and first scissors portion 1 and second scissors portion 2 go up scissor head 3 inconsistent when stopper 20 inconsistent on first scissors portion 1 and the second scissors portion 2, stopper 20 can inject first scissors portion 1 and second scissors portion 2 can not excessively be close to, and then cause the damage to first scissors portion 1 and second scissors portion 2, also avoid influencing scissor head 3 simultaneously, scissors sword 7 is realized pressing from both sides and is got, the function of shearing to article. The length of the grip 6 is 50-70mm so that the grip 6 has enough space to grip. The length of the whole scissors is 180 mm and 200mm, so that the volume of the whole scissors is not too large, and the scissors are not convenient to store and use.

As shown in fig. 1-4 and fig. 7-9, a clamping groove 10 is formed at the front end of the scissor handle 5, and the clamping groove 10 is formed on the scissor handle 5 extending beyond the handle 6, so that the insulin needle can be clamped conveniently through the clamping groove 10, and the insulin needle can be disassembled and assembled conveniently. A slip ring 11 is fixed in the clamping groove 10 on the first scissor portion 1, and the slip ring 11 is connected with a clamping piece 12 in a sliding manner, so that the clamping piece 12 can be connected with the first scissor portion 1 through the slip ring 11 to form a whole and can rotate freely. The clamping member 12 is a cylindrical structure, and the outer surface of the clamping member 12 is provided with a sliding groove 121, and the sliding ring 11 is slidably connected in the sliding groove 121, so that the clamping member 12 can rotate around the sliding ring 11 by using the sliding groove 121 as a rotation path. One end face of the clamping piece 12 is provided with a groove 122, the groove 122 is provided with a clamping hole 123 communicated with the other end face of the clamping piece 12, and the diameter of the groove 122 is larger than that of the clamping hole 123, so that the insulin needle with the needle point being cylindrical in part can penetrate through the clamping hole 123 from the groove 122 and then be clamped. The cutting ferrule 124 is fixed in the groove 122, the cutting ferrule 124 is provided with a communicating hole 125 communicated with the clamping hole 123, the vertical section of the communicating hole 125 is isosceles trapezoid, the diameter of the outer opening of the communicating hole 124 is larger than that of the inner opening, and the diameter of the inner opening of the communicating hole 125 is equal to that of the clamping hole 123, so that the insulin needle inserted from the groove 122 is conveniently limited, and meanwhile, the insulin needle is protected. Cutting ferrule 124's material is medical rubber or silica gel to bind through the adhesive and fix in recess 122, make cutting ferrule 124 and recess 122 fixed connection form a whole, make cutting ferrule 124 have certain elasticity simultaneously, better protection insulin needle. One end of the clamping piece 12 opposite to the groove 122 is provided with a plurality of tightening grooves 126 communicated with the clamping holes 123, the side wall of the clamping piece 12 between two adjacent tightening grooves 126 forms a claw 127, and the tightening grooves 126 between the claws 127 enable the claws 127 to contract inwards when external force is applied. The inside end of the claw 127 is a tip, the diameter of a circle surrounded by the tip of the claw in the fastener 12 is equal to the diameter of the fastening hole 123, the diameter of a circle surrounded by the tip of the claw 127 on the side surface of the fastener 12 is larger than the diameter of the fastening hole 123, so that an insulin needle with a multi-prism-shaped connection part can be inserted from one end of the fastener 12 where the claw 127 is located, the insulin needle is fastened by applying pressure to the claw 127, and the claw 127 can fasten and fix the insulin needle inserted from the groove 122 and passing through the fastening hole 123 to the area where the claw 127 is located. The transmission gear 128 is fixed on the outer surface of one end of the card fixing member 12 where the groove 122 is located, so that the rotation of the card fixing member 12 can be controlled more easily through the transmission gear 128, and the insulin needle can be quickly disassembled. The scissors handle 5 that corresponds at the border of draw-in groove 10 on first scissors portion 1 is fixed with convex layer board 13 on, holding tank 14 has been seted up with scissors handle 5's junction to layer board 13, the part that the sliding ring 11 surpassed scissors handle 5 is in holding tank 14, and layer board 13 is located the below of jack catch 127 place card firmware 12 and contacts with card firmware 12, layer board 13 is convenient for inject and support jack catch 127 on the card firmware 12, cooperate draw-in groove 10 on second scissors portion 2 to extrude jack catch 127 simultaneously, and then make jack catch 127 shrink inwards, the diameter of the circle that the inboard pointed end of jack catch 127 encloses reduces, and then can more firm chucking insulin syringe needle head.

As shown in fig. 1-6, the handle 6 of the second scissors portion 2 is hinged to a toggle member 15 rotatably connected to the clamping member 12, so that the clamping member 12 can be rotated by the toggle member 15, the insulin needle can be easily disassembled, and the time and labor can be saved. The toggle member 15 includes a gear plate 151 and a pressing plate 152, the gear plate 151 is a sector gear, and the front end of the gear plate 151 is engaged with the transmission gear 128, so that the rotation of the transmission gear 128 is controlled by the rotation of the gear plate 151, and the card fixing member 12 is rotated. The tip of the gear plate 151 is hingedly connected to the grip 6 of the second scissor portion 2 such that the gear plate 151 can rotate only about the hinge with the grip 6. The end of gear plate 151 is connected with the perpendicular fixed connection of clamp plate 152, and the length of clamp plate 152 is greater than the turning radius of gear plate 151, and the diameter of drive gear 128 is one tenth of the diameter of the circle at gear plate 151 place, makes things convenient for the finger to control gear plate 151 and rotates through clamp plate 152, and the small amplitude rotation that only passes through gear plate 151 just can drive gear 128 and rotate by a wide margin moreover, and then more laborsaving when making control gear plate 151 rotate. The pressure plate 152 is provided with anti-slip lines, so that the friction force between the fingers and the pressure plate 152 is increased, and the pressure is applied to the pressure plate 152 more conveniently.

As shown in fig. 5 and 6, the supporting member 16 is fixed in the slot 10 of the second scissors portion 2, and the ball 17 is movably connected to the supporting member 16, so that the slot 10 of the second scissors portion 2 does not affect the rotation of the claw 127 driven by the fastener 12 while pressing the claw 127. Support piece 16 has two backup pads 161 to pass through staple 162 fixed connection, has seted up spacing tongue 163 on the backup pad 162 between two adjacent staples 162, and ball 17 swing joint is in spacing tongue 162, prescribes a limit to ball 17 in draw-in groove 10 through support piece 16 to can the free rotation, and then card firmware 12 still can drive the jack catch 127 and rotate under the support of ball 17 when extrudeing jack catch 127 through draw-in groove 10, and then dismouting insulin syringe needle. The both ends of backup pad 161 pass through fixed block 164 fixed connection at the both ends of draw-in groove 10 on second scissors portion 2, fixedly connected with fixed column 165 on the backup pad 161 of staple 162 department, fixed column 165 other end fixed connection is at draw-in groove 10 inner wall on second scissors portion 2, fix support piece 16 in draw-in groove 10 through fixed block 164 and fixed column 165, make support piece 16 be connected with draw-in groove 10 and form a whole, the ball 17 of being convenient for can also the free rotation when can exert pressure at jack catch 127 moreover.

According to the specific embodiment of the invention, when an article needs to be clamped, the opening and closing of the scissors are controlled by fingers through the holding hole 19, the scissor heads 3 are controlled to be opened, the article needing to be clamped is placed between the two scissor heads 3 on the first scissor part 1 and the second scissor part 2, then the scissors are closed, so that the scissor heads 3 clamp the article, and the clamping function of the scissors is completed; when articles need to be cut, the scissors are controlled to be opened and closed by fingers through the holding holes 19, the scissor heads 3 are controlled to be opened and closed, the articles needing to be cut are placed between the two scissor edges 7 on the first scissor part 1 and the second scissor part 2, the scissor edges 7 finish cutting the articles in the process of closing the scissors, and the cutting function of the scissors is finished; when the insulin needle head needs to be disassembled and assembled, the scissors are controlled to be opened and closed by fingers through the holding holes 19, the scissors handle 5 is controlled to be opened, so that the clamping grooves 10 on the first scissors part 1 and the second scissors part 2 are separated, then the insulin needle with the needle point connecting part partially in a cylindrical shape is inserted from one end of the groove 122 on the card fixing piece 12, or the insulin needle with the needle point part of polygonal column shape is inserted from one end of the claw 127 on the card fixing piece 12, then the scissors are closed, so that the ball 17 in the slot 10 on the second scissors portion 2 clamps the claws 127, pressure is continuously applied, the claws 127 are contracted inwards until the claws 127 clamp the insulin needle, at the moment, the gear plate 151 is meshed with the transmission gear 128, finally the pressing plate 152 is pressed by fingers, the gear plate 151 is driven to rotate by the pressing plate 152, and then the transmission gear 128 drives the card fixing piece 12 to rotate, thus completing the quick assembly and disassembly of the insulin needle.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. The medical nursing tool scissors comprise a first scissor part (1) and a second scissor part (2) which are hinged and have the same structure and size, wherein the first scissor part and the second scissor part (1 and 2) comprise a scissor head (3), a scissor body (4), a scissor handle (5) and a handle (6), one side, close to the hinged part, of the first scissor part (1) is movably connected with a clamping piece (12) convenient for clamping articles, a supporting piece (16) matched with the clamping piece (12) for clamping articles is fixed on the second scissor part (2), a clamping hole (123) convenient for inserting articles is clamped on the clamping piece (12), a clamping jaw (127) convenient for clamping articles is arranged at one end, close to the second scissor part (2), of the clamping piece (12), one end, far away from the second scissor part (2), is rotatably connected with a stirring piece (15), the poking piece (15) is hinged to the second scissor part (2);

a clamping groove (10) is formed in one end, close to the hinge hole (8), of the scissor handle (5), a sliding ring (11) is fixed in the clamping groove (10) of the first scissor portion (1), the clamping piece (12) is in sliding connection with the sliding ring (11), a supporting plate (13) is fixed on the scissor handle (5) at the position of the clamping piece (12), a structure that a supporting piece (16) is matched to enable a clamping jaw (127) to shrink to clamp objects is formed, the supporting plate (13) is arc-shaped and is matched with the outer surface of the clamping piece (12), an accommodating groove (14) is formed in the joint of the supporting plate (13) and the scissor handle (5), one end, close to the second scissor portion (2), of the sliding ring (11) is located in the accommodating groove (14), a supporting plate (13) is fixed on the scissor handle (5) at the position of the clamping piece (12) and is close to the end face of the second scissor portion (2), and the supporting piece (16) is fixed in the clamping groove (10) of, the poking piece (15) is hinged to the edge of the handle (6) on the second scissor part (2) far away from the first scissor part (1);

the clamping piece (12) is of a cylindrical structure, a sliding groove (121) is formed in the outer surface of the clamping piece (12), the sliding ring (11) is connected in the sliding groove (121) in a sliding mode, a groove (122) is formed in one end face of the clamping piece (12), the clamping hole (123) is formed in the groove (122) and penetrates through the clamping piece (12), a clamping sleeve (124) is fixed in the groove (122), a communicating hole (125) communicated with the clamping hole (123) is formed in the clamping sleeve (124), the vertical section of the communicating hole (125) is in an isosceles trapezoid shape, a tightening groove (126) communicated with the clamping hole (123) is formed in the clamping piece (12), clamping pieces (12) between the tightening grooves (126) form clamping jaws (127), the inner side ends of the clamping jaws (127) are pointed ends, and the diameter of a circle formed by the pointed ends of the clamping jaws (127) in the clamping piece (12) is equal to the diameter of the clamping hole (123), the diameter of a circle surrounded by the tip end of the claw (127) on one side surface of the clamping piece (12) is larger than that of the clamping hole (123), and a transmission gear (128) is fixed on the outer surface of one end of the clamping piece (12) where the groove (122) is located;

the poking piece (15) comprises a gear plate (151) and a pressing plate (152), the gear plate (151) is a sector gear, the front end of the gear plate (151) is meshed with the transmission gear (128), the tail end of the gear plate (151) is hinged to a handle of the second scissor portion (2), the tail end of the gear plate (151) is fixedly connected with the pressing plate (152) in a perpendicular mode, the length of the pressing plate (152) is larger than the rotating radius of the gear plate (151), and anti-skidding threads are formed in the pressing plate (152).

2. The medical nursing tool scissors according to claim 1, wherein the scissors head (3) and the scissors handle (5) are respectively formed by extending two ends of the scissors body (4), one side of the scissors body (4) is provided with a scissors blade, the tail end of the scissors body (4) is provided with a hinge hole (8), the first scissors portion (1) and the second scissors portion (2) are hinged and connected through the hinge hole (8), and one end of the scissors handle (5) far away from the scissors body (4) is fixedly connected with the handle (6).

3. The medical care tool scissors as claimed in claim 1, wherein the support member (16) is formed by fixedly connecting two support plates (161) through fixing nails (162), a limiting convex groove (163) is formed in each support plate (161) between two adjacent fixing nails (162), a ball (17) is movably connected in each limiting convex groove (163), two ends of each support plate (161) are fixedly connected to two ends of the clamping groove (10) in the second scissors portion (2) through fixing blocks (164), a fixing column (165) is fixedly connected to each support plate (161) at the position of each fixing nail (162), and the other end of each fixing column (165) is fixedly connected to the inner wall of the clamping groove (10) in the second scissors portion (2).

4. The medical care tool scissors according to claim 1, wherein the width of the scissors head (3) is one half of the width of the scissors body (4) at the joint with the scissors body (4), the scissors head (3) on the first scissors portion (1) extends along the width direction of the scissors body (4), the thickness of the part exceeding the scissors head (3) is equal to the thickness of the scissors head (3), the scissors heads (3) on the first scissors portion and the second scissors portion (1, 2) are combined to form a tweezers structure, and anti-skid lines are arranged on the opposite surfaces of the scissors heads (3) on the first scissors portion and the second scissors portion (1, 2).

5. The medical nursing scissors as claimed in claim 1, wherein the scissors handle (5) is connected to the handle (6) by hot melting and fixing, and the opposite sides of the scissors handle (5) of the first and second scissors portions (1, 2) are extended beyond the edge of the handle (6), and the scissors handle (5) in the handle is provided with a plurality of fixing holes (18).