CN216933312U

CN216933312U - Scalp retractor for keyhole-adaptive surgery

Info

Publication number: CN216933312U
Application number: CN202220166183.4U
Authority: CN
Inventors: 李英夫; 李群峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-01-21
Filing date: 2022-01-21
Publication date: 2022-07-12
Anticipated expiration: 2032-01-21

Abstract

The utility model discloses a scalp retractor suitable for keyhole surgery, which comprises two forceps bodies, wherein the middle parts of one sides of the two forceps bodies are fixedly connected with connecting round seats, the two connecting round seats are rotationally connected together through a connecting pin shaft, the tail parts of the forceps bodies are fixedly connected with driving handles, one sides of the tail parts of the forceps bodies are fixedly connected with adjusting buckles, and the bottom of one end of each forceps body is fixedly connected with two retracting teeth at equal intervals. The pain of the patient is relieved, the concept of minimally invasive surgery is met, and the use convenience of the retractor is improved.

Description

Scalp retractor for keyhole-adaptive surgery

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a scalp retractor suitable for keyhole surgery.

Background

The retractor is also called a draw hook, is used for retracting tissues, exposes a range needing an operation, is convenient to explore and operate, can be divided into a handheld draw hook and an automatic draw hook, has specifications of various shapes and sizes, can select a proper draw hook according to the operation requirement, and needs to be used in the process of performing a head operation;

however, in the use process of the existing retractor, because the traction teeth at the end parts of the retractor are all positioned on the same straight line, when scalps at two sides of an incision are retracted by the retractor, a long and narrow shape with a parallel middle part and sharp two ends is formed, so that the incision can meet the requirements of a round keyhole bone flap, the length of the incision needs to be increased, the pain of a patient is increased, the incision is opposite to the minimally invasive concept, and the use convenience of the retractor is further reduced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a scalp retractor suitable for keyhole surgery, which can effectively solve the problem that in the use process of the retractor provided in the background technology, as the traction teeth at the end parts of the retractor are all positioned on the same straight line, when the scalp at two sides of an incision is retracted by the retractor, a long and narrow shape with a parallel middle part and sharp two ends is formed, so that the length of the incision needs to be lengthened to ensure that the incision meets the requirement of a round keyhole bone flap, thereby increasing the pain of a patient, and simultaneously, the scalp retractor is opposite to the minimally invasive concept, thereby reducing the use convenience of the retractor.

In order to achieve the purpose, the utility model provides the following technical scheme: a scalp retractor suitable for lockhole operation comprises two forceps bodies, wherein the middle parts of one sides of the two forceps bodies are fixedly connected with connecting circular seats, the two connecting circular seats are rotationally connected together through connecting pin shafts, the tail parts of the forceps bodies are fixedly connected with driving handles, and one sides of the tail parts of the forceps bodies are fixedly connected with adjusting buckles;

the bottom of one end of the pliers body is fixedly connected with two retracting teeth at equal intervals, the position of the outer side of the pliers body, which corresponds to the position between the two retracting teeth, is fixedly connected with an adjusting guide groove, the position of the end part of the adjusting guide groove, which corresponds to the outer side of the pliers body, is fixedly connected with an installation square box, and one side of the installation square box is fixedly connected with an installation cover plate through a screw;

the utility model discloses a portable electronic device, including installation square box, drive worm top middle part fixedly connected with concatenation chuck, top middle part buckle have the regulation spanner, the inside drive worm one side position department that corresponds of installation square box rotates and is connected with drive turbine, drive turbine one side middle part fixedly connected with adjusting gear, the inside adjustable gear bottom position department sliding connection that corresponds of regulation guide slot has middle movable tooth, middle movable tooth afterbody corresponds the inside position department of installation square box and has spacing platelet through the mounting screw.

Preferably, the adjusting buckle is provided with buckle teeth on one side, the buckle teeth on the side faces of the adjusting buckle on the two pliers bodies are buckled with each other, the end part of the adjusting buckle is provided with an arc surface, and the adjusting buckle can be elastically bent in the using process.

Preferably, an arc-shaped bend is arranged at a position, corresponding to the position between the two retracting teeth, of one end of the forceps body, the adjusting guide groove is located at the farthest end of the arc-shaped bend, the retracting teeth on the two forceps bodies are distributed in a staggered mode, and the adjusting guide grooves on the two forceps bodies are distributed in a staggered mode.

Preferably, the installation square box and the installation cover plate jointly form an independent closed cavity, a rectangular notch is formed in the position, corresponding to the end of the adjusting guide groove, of one side of the installation square box, and the middle movable teeth penetrate through the rectangular notch.

Preferably, the splicing chuck has magnetism and can adsorb the adjusting spanner, the rectangular channel has been seted up at splicing chuck top middle part, and the adjusting spanner bottom corresponds rectangular channel inside position department and is provided with the rectangle fritter.

Preferably, the driving worm is meshed with the driving worm wheel, the top surface of the tail part of the middle movable tooth is uniformly provided with driving teeth, the middle movable tooth and the driving teeth are mutually matched, and the outer side of the middle movable tooth is tightly attached to the inner wall of the adjusting guide groove.

Compared with the prior art, the utility model has the beneficial effects that: the utility model has scientific and reasonable structure and safe and convenient use:

1. the adjusting wrench is rotated to drive the splicing chuck and the driving worm to rotate, the driving worm wheel is driven to rotate in the rotating process of the driving worm, the middle movable gear is driven to slide along the inside of the adjusting guide groove in the rotating process of the adjusting gear, and the scalp in the middle of the incision is pulled in the sliding process of the middle movable gear, so that the middle of the incision is in an olive shape, the incision with smaller length can meet the requirement of a round keyhole bone flap, the length of the incision in the operation process is shortened, the pain of a patient is relieved, the concept of minimally invasive surgery is met, and the use convenience of the retractor is improved.

2. Carry on spacingly to the position of the pincers body through the mutual lock of latch on the regulation buckle to reduced the burden of medical personnel hand, simultaneously through the elastic design of regulation buckle, made the retractor separate more convenient after using the completion, only through upwards pull the regulation buckle alright with the mutual separation between the latch, and then the effectual nature controlled that improves the retractor.

3. Through the design that pincers body tip arc is crooked, the effectual middle movable tooth sliding range that has increased to guaranteed that middle movable tooth pulls the incision middle part, through the magnetic design of concatenation chuck, what messenger adjusted the spanner buckle and connect when concatenation chuck is inside is more steady, has further improved the use convenience of retractor.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model.

In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the adjusting gear mounting configuration of the present invention;

FIG. 3 is a schematic view of the internal structure of the mounting plate of the present invention;

FIG. 4 is a schematic view of the structure of the adjustment buckle installation of the present invention;

the reference numbers in the figures: 1. a clamp body; 2. a connecting round seat; 3. connecting a pin shaft; 4. a drive handle; 5. adjusting the buckle; 6. retracting the teeth; 7. adjusting the guide groove; 8. installing a square box; 9. installing a cover plate; 10. a drive worm; 11. splicing the chucks; 12. adjusting the wrench; 13. a drive turbine; 14. an adjusting gear; 15. a middle movable gear; 16. and limiting the small plate.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it should be understood that they are presented herein only to illustrate and explain the present invention and not to limit the present invention.

The embodiment is as follows: as shown in figures 1-4, the utility model provides a technical scheme, a scalp retractor for lockhole-adaptive surgery comprises two forceps bodies 1, the middle parts of one sides of the two forceps bodies 1 are fixedly connected with connecting round seats 2, the two connecting round seats 2 are rotationally connected together through connecting pin shafts 3, the tail parts of the forceps bodies 1 are fixedly connected with driving handles 4, one sides of the tail parts of the forceps bodies 1 are fixedly connected with adjusting buckles 5, one sides of the adjusting buckles 5 are uniformly provided with buckle teeth, the buckle teeth positioned on the side surfaces of the adjusting buckles 5 on the two forceps bodies 1 are mutually buckled, the end parts of the adjusting buckles 5 are provided with cambered surfaces, the adjusting buckles 5 can be elastically bent in the using process, the positions of the forceps bodies 1 are limited through the mutual buckling of the buckle teeth on the adjusting buckles 5, so that the burden of hands of medical personnel is reduced, and the retractor is more convenient to separate after the use through the elastic design of the adjusting buckles 5, the clamping teeth can be separated from each other only by pulling the adjusting buckle 5 upwards, so that the controllability of the retractor is effectively improved;

the bottom of one end of the forceps body 1 is fixedly connected with two retracting teeth 6 at equal intervals, the outer side of the forceps body 1 corresponding to the position between the two retracting teeth 6 is fixedly connected with an adjusting guide groove 7, the position of one end of the forceps body 1 corresponding to the position between the two retracting teeth 6 is provided with an arc-shaped bend, the adjusting guide groove 7 is positioned at the farthest end of the arc-shaped bend, the retracting teeth 6 on the two forceps bodies 1 are distributed in a mutually staggered manner, the adjusting guide grooves 7 on the two forceps bodies 1 are distributed in a mutually staggered manner, the end part of the adjusting guide groove 7 corresponding to the outer side of the forceps body 1 is fixedly connected with an installation square box 8, and one side of the installation square box 8 is fixedly connected with an installation cover plate 9 through screws;

one end inside the mounting square box 8 is rotatably connected with a driving worm 10, the middle part of the top end of the driving worm 10 is fixedly connected with a splicing chuck 11, the splicing chuck 11 has magnetism and can adsorb an adjusting wrench 12, the middle part of the top end of the splicing chuck 11 is provided with a rectangular groove, a rectangular small block is arranged at the bottom of the adjusting wrench 12 corresponding to the position inside the rectangular groove, the splicing chuck 11 is buckled with the adjusting wrench 12 at the middle part of the top end, a driving turbine 13 is rotatably connected at the position inside the mounting square box 8 corresponding to one side of the driving worm 10, an adjusting gear 14 is fixedly connected at the middle part of one side of the driving turbine 13, a middle movable tooth 15 is slidably connected at the position inside the adjusting guide groove 7 corresponding to the bottom of the adjusting gear 14, through the design of arc bending of the end part of the clamp body 1, the sliding range of the middle movable tooth 15 is effectively increased, thereby ensuring that the middle movable tooth 15 pulls the middle of the incision, through the magnetic design of the splicing chuck 11, the adjusting wrench 12 is more stably connected when being buckled inside the splicing chuck 11, so that the use convenience of the retractor is further improved;

a small limit plate 16 is arranged at the position, corresponding to the inner part of the mounting square box 8, of the tail part of the middle movable tooth 15 through a screw, the mounting square box 8 and the mounting cover plate 9 jointly form an independent closed cavity, a rectangular notch is formed in the position, corresponding to the end part of the adjusting guide groove 7, of one side of the mounting square box 8, the middle movable tooth 15 penetrates through the rectangular notch, the driving worm 10 and the driving worm wheel 13 are meshed with each other, the top surface of the tail part of the middle movable tooth 15 is uniformly provided with driving teeth, the middle movable tooth 15 and the driving teeth are mutually matched, the outer side of the middle movable tooth 15 is tightly attached to the inner wall of the adjusting guide groove 7, the splicing chuck 11 and the driving worm 10 are driven to rotate through rotating the adjusting wrench 12, the driving worm wheel 13 is driven to rotate in the rotating process of the driving worm 10, and the middle movable tooth 15 is driven to slide along the inner part of the adjusting guide groove 7 in the rotating process of the adjusting gear 14, and the scalp in the middle of the incision is dragged in the sliding process of the middle movable tooth 15, so that the middle of the incision is in an olive shape, the incision with smaller length can meet the requirement of a round keyhole bone flap, the incision length in the operation process is shortened, the pain of a patient is relieved, the concept of minimally invasive surgery is met, and the use convenience of the retractor is improved.

The working principle and the using process of the utility model are as follows: in the practical application process of the utility model, before the retractor is used, the middle movable tooth 15 and the retracting tooth 6 are adjusted to be on the same straight line, the middle movable tooth 15 and the retracting tooth 6 are inserted into an incision, medical staff synchronously pull the driving handle 4 with fingers, further the forceps body 1 rotates along the outer side of the connecting pin shaft 3 under the limit of the connecting round seat 2, the middle movable tooth 15 and the retracting tooth 6 are driven to synchronously drive scalps at two sides of the incision to be pulled outwards in the rotation process of the forceps body 1, the adjusting wrench 12 is embedded into the splicing chuck 11 after the incision is pulled to a certain distance, the splicing chuck 11 and the driving worm 10 are driven to rotate by rotating the adjusting wrench 12, the driving turbine 13 is driven to rotate in the rotation process of the driving worm 10, and the middle movable tooth 15 is driven to slide along the inside the adjusting guide groove 7 in the rotation process of the adjusting gear 14, the scalp in the middle of the incision is dragged in the sliding process of the middle movable tooth 15, so that the middle of the incision is in an olive shape, the incision with smaller length can meet the requirement of a round keyhole bone flap, the length of the incision in the operation process is further shortened, the pain of a patient is relieved, the concept of minimally invasive operation is met, and the use convenience of the retractor is improved;

in the process that medical personnel struts the retractor through the driving handle 4 and in the process that the tail parts of the forceps bodies 1 are close to each other, the positions of the forceps bodies 1 are limited through mutual buckling of the clamping teeth on the adjusting buckles 5, so that the burden of hands of the medical personnel is reduced, meanwhile, the retractor is more convenient to separate after use through the elastic design of the adjusting buckles 5, the clamping teeth can be separated from each other only by pulling the adjusting buckles 5 upwards, and the controllability of the retractor is effectively improved;

at middle movable tooth 15's the in-process that slides, through the crooked design of the 1 tip arc of pincers body, the effectual middle movable tooth 15 sliding range that has increased to guaranteed that middle movable tooth 15 pulls the incision middle part, through the magnetic design of concatenation chuck 11, make the more steady of adjusting 12 buckles of spanner and connecting when concatenation chuck 11 is inside, further improved the use convenience of retractor.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an adaptation lockhole operation is with scalp retractor, includes two pincers bodies (1), its characterized in that: the middle parts of one sides of the two forceps bodies (1) are fixedly connected with connecting circular seats (2), the two connecting circular seats (2) are rotatably connected together through connecting pin shafts (3), the tail parts of the forceps bodies (1) are fixedly connected with driving handles (4), and one side of the tail parts of the forceps bodies (1) is fixedly connected with an adjusting buckle (5);

the bottom of one end of the pliers body (1) is fixedly connected with two retracting teeth (6) at equal intervals, the position of the outer side of the pliers body (1) corresponding to the position between the two retracting teeth (6) is fixedly connected with an adjusting guide groove (7), the position of the end part of the adjusting guide groove (7) corresponding to the outer side of the pliers body (1) is fixedly connected with an installation square box (8), and one side of the installation square box (8) is fixedly connected with an installation cover plate (9) through a screw;

the utility model discloses a portable electronic device, including installation square box (8), the inside one end of installation square box (8) is rotated and is connected with drive worm (10), drive worm (10) top middle part fixedly connected with concatenation chuck (11), top middle part buckle have regulation spanner (12), the inside drive worm (10) one side position department that corresponds of installation square box (8) rotates and is connected with drive turbine (13), drive turbine (13) one side middle part fixedly connected with adjusting gear (14), it has middle movable tooth (15) to adjust inside adjusting gear (14) bottom position department sliding connection that corresponds of guide slot (7), middle movable tooth (15) afterbody corresponds installation square box (8) inside position department and has spacing platelet (16) through the mounting screw.

2. The scalp retractor adapting to keyhole surgery as claimed in claim 1, wherein the adjusting buckles (5) are uniformly provided with buckle teeth on one side, the buckle teeth on the side surfaces of the adjusting buckles (5) on the two forceps bodies (1) are buckled with each other, the end parts of the adjusting buckles (5) are provided with cambered surfaces, and the adjusting buckles (5) can be elastically bent during use.

3. The scalp retractor adapted to keyhole surgery according to claim 1, wherein an arc-shaped bend is provided at one end of the forceps body (1) corresponding to a position between the two retracting teeth (6), the adjusting guide groove (7) is located at the farthest end of the arc-shaped bend, the retracting teeth (6) on the two forceps bodies (1) are distributed in a staggered manner, and the adjusting guide grooves (7) on the two forceps bodies (1) are distributed in a staggered manner.

4. The scalp retractor adapting to keyhole surgery as claimed in claim 1, wherein the mounting square box (8) and the mounting cover plate (9) jointly form an independent closed cavity, a rectangular notch is formed in one side of the mounting square box (8) corresponding to the end of the adjusting guide groove (7), and the middle movable teeth (15) penetrate through the rectangular notch.

5. The scalp retractor adapted to keyhole surgery according to claim 1, wherein the splicing chuck (11) has magnetism and can absorb the adjusting wrench (12), a rectangular groove is formed in the middle of the top end of the splicing chuck (11), and a rectangular small block is arranged at the bottom of the adjusting wrench (12) corresponding to the inner position of the rectangular groove.

6. The lockhole-adaptive surgical scalp retractor according to claim 1 or 4, characterized in that the driving worm (10) and the driving worm wheel (13) are engaged with each other, the top surface of the tail of the middle movable tooth (15) is uniformly provided with driving teeth, the middle movable tooth (15) and the driving teeth are engaged with each other, and the outer side of the middle movable tooth (15) is tightly attached to the inner wall of the adjusting guide groove (7).