CN111714168B

CN111714168B - Retractor for hepatobiliary surgery and use method thereof

Info

Publication number: CN111714168B
Application number: CN202010552735.0A
Authority: CN
Inventors: 张家明
Original assignee: Ren Xuliang
Current assignee: Ren Xuliang
Priority date: 2020-06-17
Filing date: 2020-06-17
Publication date: 2022-03-08
Anticipated expiration: 2040-06-17
Also published as: CN111714168A

Abstract

The invention relates to the technical field of medical instruments and discloses a retractor for hepatobiliary surgery, which comprises a cross beam, supporting plates, plate sleeves, a cross rod, a fixing plate and a retractor, wherein the supporting plates are fixed on two sides of the cross beam, the plate sleeves are arranged at the bottoms of the two supporting plates, connecting blocks are fixed at the bottoms of the two plate sleeves, first threaded rods are in threaded connection with the middles of the two connecting blocks, and the two first threaded rods respectively penetrate through the two connecting blocks; when the multifunctional surgical knife is used, the second knobs are respectively and simultaneously rotated, the two lead screws can be respectively or simultaneously rotated, so that the fixed plates on the two cross rods and the drag hooks on the fixed plates can be mutually far away, the surgical knife edge can be pulled open, in the process of pulling open the knife edge, the drag hooks are not pulled by a practitioner in the whole process, the practitioner can better observe and massage the surgical process, the surgical drag hooks cannot be released, and the condition of the operation of a doctor is influenced.

Description

Retractor for hepatobiliary surgery and use method thereof

Technical Field

The invention relates to the technical field of medical instruments, in particular to a retractor for hepatobiliary surgery and a use method thereof.

Background

The medical apparatus refers to instruments, equipment, appliances, in-vitro diagnostic reagents, calibrators, materials and other similar or related articles which are directly or indirectly used for a human body, and comprises required computer software.

When a surgical operation is performed, in order to enable a intern to learn better, when a master surgeon performs the operation, the master surgeon can be brought into an operating room to watch the operation process, and when the operation incision is pulled open through an operation retractor, the operation retractor is required to be pulled by the intern frequently to avoid the closing of the operation incision, so that the operation of the master surgeon is influenced, and as muscle tissues have contractility, the situation that the hand muscles of the intern are sour and numb can occur due to the operation can be caused, and the situation that the retractor is released can be caused for some interns with small hand strength.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the retractor for the hepatobiliary surgery and the use method thereof, and solves the problems that the muscle of hands of a practitioner is sour and numb due to the contractility of muscle tissues during the surgery, and the retractor is likely to be out of hand for some practitioners with small hand strength.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: a retractor for hepatobiliary surgery comprises a cross beam, supporting plates, plate sleeves, a cross rod, a fixing plate and a retractor, wherein the supporting plates are fixed on two sides of the cross beam, the plate sleeves are arranged at the bottoms of the two supporting plates, connecting blocks are fixed at the bottoms of the two plate sleeves, first threaded rods are in threaded connection with the middle parts of the two connecting blocks, the two first threaded rods respectively penetrate through the two connecting blocks, first knobs are fixed at the opposite ends of the two first threaded rods, first fixing discs are fixed at the opposite ends of the two first threaded rods, the cross beam is of a hollow cuboid structure, sliding grooves are symmetrically formed in the lower surface of the cross beam, lead screws are rotatably connected at the centers of two sides of the inner surface of the cross beam, moving blocks are in threaded connection with the outer side walls of the two lead screws, and connecting rods are fixed on the lower surfaces of the two moving blocks, two the bottom of connecting rod runs through two respectively the spout, and two the bottom of connecting rod all is fixed with the horizontal pole, two the lateral wall bottom of horizontal pole all is fixed with the fixed plate, two the equal symmetry of lower surface of fixed plate is fixed with the drag hook, two the looks remote site of lead screw all is fixed with first bevel gear, the inside symmetry of crossbeam is equipped with second bevel gear, two second bevel gear respectively with two first bevel gear meshing is connected, the upper surface symmetry of crossbeam rotates and is connected with the dwang, two the bottom of dwang respectively with two the top fixed connection of second bevel gear, and two the top of dwang all is fixed with the second knob.

Preferably, the two first fixing discs are fixed with first anti-skid gaskets on opposite sides, and the two first anti-skid gaskets are made of rubber materials with good elasticity and processed on opposite sides in a rough manner.

Preferably, the board cover is open-top's cavity cuboid structure, the bottom of backup pad is located the inside of board cover, just the backup pad with board cover sliding connection, one side of backup pad with the laminating of the internal surface one side of board cover mutually, one side of board cover is fixed with the thread bush, the internal thread of thread bush is connected with the second threaded rod, the second threaded rod run through the thread bush that receives with one side of board cover, just the one end of second threaded rod is located the inside of board cover is fixed with the second fixed disk, and the other end is fixed with the third knob.

Preferably, the outer side walls of the first knob, the second knob and the third knob are provided with anti-slip stripes.

Preferably, the second fixed disk is kept away from one end of the second threaded rod is fixed with a second anti-slip gasket, the second anti-slip gasket is good in elasticity, and one side of the second anti-slip gasket is made of a rough rubber material.

Preferably, the bottom of the supporting plate is located inside the plate sleeve and is fixedly provided with a limiting plate, and the width of the limiting plate is larger than that of the top opening of the plate sleeve.

Preferably, the use method of the retractor for hepatobiliary surgery comprises the following steps:

s1, selecting a proper position, erecting the whole draw hook on an operating bed, and then rotating the two first knobs to enable the two first fixing discs to be tightly attached to the two sides of the operating bed, so that the whole draw hook can be fixed on the operating bed;

s2, the height of the draw hook can be adjusted by pulling the cross beam up and down according to the body type of the patient, and after the height is adjusted to be proper, the support plate can be fixed by rotating the two third knobs, so that the draw hook can be fixed at the current height;

s3, hooking the draw hooks on the skin and the muscle on the two sides of the operation incision, and then respectively or simultaneously rotating the two second knobs to enable the draw hooks on the two fixing plates to be away from each other, so that the operation incision can be pulled open, and a doctor can perform an operation conveniently.

(III) advantageous effects

The invention provides a retractor for hepatobiliary surgery and a use method thereof, and the retractor has the following beneficial effects:

(1) when the invention is used, the two screw rods can be respectively or simultaneously rotated by respectively and simultaneously rotating the second knobs, so that the fixed plates on the two cross rods and the drag hooks on the fixed plates can be mutually far away, the operation incision can be pulled open, and in the process of pulling the incision, a doctor does not need to pull the drag hooks by hands in the whole process, so that the doctor can better observe the operation process, and the operation of the doctor is not influenced because the operation drag hooks are not separated from the hands.

(2) When the surgical retractor is used, the height of a cross beam can be adjusted up and down according to the size of a patient, so that the height of the retractor can be adjusted, after the height is adjusted to a proper position, the second fixing disc can be tightly attached to the supporting plate by rotating the third knob, the retractor can be fixed at the current height, and the surgical retractor can be conveniently applied to patients with different sizes.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the cross member of the present invention;

fig. 3 is a schematic view of the internal structure of the sleeve of the present invention.

In the figure: 1. a fixing plate; 2. a cross bar; 3. a third knob; 4. a second threaded rod; 5. a support plate; 6. a cross beam; 7. a second knob; 8. rotating the rod; 9. sheathing the plate; 10. a threaded sleeve; 11. a first knob; 12. a first threaded rod; 13. connecting blocks; 14. a first fixed disk; 15. pulling a hook; 16. a first anti-skid pad; 17. a screw rod; 18. a moving block; 19. a connecting rod; 20. a chute; 21. a second bevel gear; 22. a first bevel gear; 23. a second anti-skid pad; 24. a second fixed disk; 25. and a limiting plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-3, the present invention provides a technical solution: a retractor for hepatobiliary surgery comprises a cross beam 6, support plates 5, plate sleeves 9, a cross rod 2, a fixing plate 1 and a retractor 15, wherein the support plates 5 are fixed on two sides of the cross beam 6, the plate sleeves 9 are arranged at the bottoms of the two support plates 5, connecting blocks 13 are fixed at the bottoms of the two plate sleeves 9, first threaded rods 12 are in threaded connection with the middle parts of the two connecting blocks 13, the two first threaded rods 12 respectively penetrate through the two connecting blocks 13, first knobs 11 are fixed at opposite ends of the two first threaded rods 12, first fixing plates 14 are fixed at opposite ends of the two first threaded rods 12, the cross beam 6 is of a hollow cuboid structure, sliding grooves 20 are symmetrically formed in the lower surface of the cross beam 6, lead screws 17 are rotatably connected at the centers of two sides of the inner surface of the cross beam 6, moving blocks 18 are in threaded connection with the outer side walls of the two lead screws 17, connecting rods 19 are fixed on the lower surfaces of the two moving blocks 18, the bottom ends of the two connecting rods 19 respectively penetrate through the two sliding grooves 20, the bottom ends of the two connecting rods 19 are respectively fixed with the cross rods 2, the bottom parts of the outer side walls of the two cross rods 2 are respectively fixed with the fixed plates 1, the lower surfaces of the two fixed plates 1 are respectively symmetrically fixed with the drag hooks 15, the opposite ends of the two screw rods 17 are respectively fixed with the first bevel gears 22, the inner part of the cross beam 6 is symmetrically provided with the second bevel gears 21, the two second bevel gears 21 are respectively meshed with the two first bevel gears 22, the upper surface of the cross beam 6 is symmetrically and rotatably connected with the rotating rods 8, the bottom ends of the two rotating rods 8 are respectively fixedly connected with the tops of the two second bevel gears 21, the top ends of the two rotating rods 8 are respectively fixed with the second knobs 7, when in use, firstly, a proper position is selected, the whole device is erected on an operating bed, then the two first knobs 11 are rotated to drive the two first threaded rods 12 to rotate, thereby can make two first fixed disks 14 be close to each other, and final inseparable laminating in the both sides of operation table, can fix whole device on the operation table, then hook drag hook 15 on skin and the muscle of operation edge both sides, then rotate two second knobs 7 respectively or simultaneously, under first bevel gear 22 and second bevel gear 21 meshing effect, can make two lead screws 17 rotate respectively or simultaneously, thereby can make fixed plate 1 on two horizontal poles 2 and drag hook 15 thereon keep away from each other, thereby can pull open the operation edge, make things convenient for the primary knife doctor to carry out the operation, whole journey does not need intern's hand to pull the drag hook, can make the intern better look at the operation process, and the operation drag hook can not appear and take off the hand, thereby influence the condition that the primary knife doctor operated.

Further, the opposite sides of the two first fixing disks 14 are all fixed with first anti-skid gaskets 16, the two first anti-skid gaskets 16 are both made of rubber materials with rough treatment and good elasticity, and after the two first fixing disks 14 are attached to the two sides of the operating table, the friction force between the first fixing disks 14 and the operating table can be increased through the first anti-skid gaskets 16, so that the whole device can be further fixed on the operating table.

Furthermore, the plate sleeve 9 is a hollow cuboid structure with an open top, the bottom end of the support plate 5 is positioned inside the plate sleeve 9, the support plate 5 is connected with the plate sleeve 9 in a sliding manner, one side of the support plate 5 is attached to one side of the inner surface of the plate sleeve 9, one side of the plate sleeve 9 is fixed with a threaded sleeve 10, the internal thread of the threaded sleeve 10 is connected with a second threaded rod 4, the second threaded rod 4 penetrates through the threaded sleeve 10 and one side of the plate sleeve 9, one end of the second threaded rod 4 is positioned inside the plate sleeve 9 and is fixed with a second fixed disc 24, the other end of the second threaded rod is fixed with a third knob 3, in the using process, a medical worker can pull the cross beam 6 up and down according to the body shape of a patient, so that the height of the draw hook 15 can be adjusted, after the height is adjusted to a proper position, the second fixed disc 24 can be closely attached to the support plate 5 by rotating the third knob 3, so that the draw hook 15 can be fixed at the current height, the surgical retractor can be conveniently applied to patients with different body types.

Furthermore, the outer side walls of the first knob 11, the second knob 7 and the third knob 3 are provided with anti-slip stripes, so that the situation that the hands of people slide with the first knob 11, the second knob 7 and the third knob 3 is avoided.

Further, the one end that second fixed disk 24 kept away from second threaded rod 4 is fixed with second anti-skidding gasket 23, and second anti-skidding gasket 23 is elastic, and one side rubber material through rough treatment, second anti-skidding gasket 23 can increase the frictional force between second fixed disk 24 and backup pad 5, can be further fixed backup pad 5.

Further, the bottom of the supporting plate 5 is located inside the plate sleeve 9 and is fixed with a limiting plate 25, the width of the limiting plate 25 is larger than the width of the top opening of the plate sleeve 9, and the situation that the supporting plate 5 and the plate sleeve 9 are separated from each other in the height adjusting process is avoided.

Further, the use method of the draw hook for the hepatobiliary surgery comprises the following steps:

In conclusion, the working process of the invention is as follows: when the device is used, a proper position is selected firstly, the whole device is erected on an operating bed, then the two first knobs 11 are rotated to drive the two first threaded rods 12 to rotate, so that the two first fixing discs 14 can be close to each other and finally tightly attached to the two sides of the operating bed, the whole device can be fixed on the operating bed, then medical personnel can pull the cross beam 6 up and down according to the body shape of a patient, so that the height of the drag hook 15 can be adjusted, after the height is adjusted to the proper position, the second fixing discs 24 can be tightly attached to the supporting plate 5 by rotating the third knob 3, so that the drag hook 15 can be fixed at the current height, then the drag hook 15 is hooked on the skin and muscle on the two sides of an operating knife edge, then the two second knobs 7 are rotated respectively or simultaneously, under the engagement action of the first bevel gear 22 and the second bevel gear 21, can make two lead screws 17 perhaps rotate respectively simultaneously to can make fixed plate 1 on two horizontal poles 2 and the drag hook 15 on it keep away from each other, thereby can pull open the operation edge of a knife, make things convenient for the main sword doctor to operate, whole journey does not need the hand power drag hook of intern, can make the better observation to the operation process of intern, and can not appear the operation drag hook and take off the hand, thereby influence the condition that the main sword doctor operated.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A draw hook for hepatobiliary surgery is characterized in that: the clamping device comprises a cross beam (6), supporting plates (5), plate sleeves (9), a cross rod (2), a fixing plate (1) and drag hooks (15), wherein the supporting plates (5) are fixed on two sides of the cross beam (6), the plate sleeves (9) are arranged at the bottoms of the two supporting plates (5), connecting blocks (13) are fixed at the bottoms of the two plate sleeves (9), first threaded rods (12) are connected to the middle parts of the two connecting blocks (13) in a threaded mode, the two first threaded rods (12) penetrate through the two connecting blocks (13) respectively, first knobs (11) are fixed at the opposite ends of the two first threaded rods (12), first fixing plates (14) are fixed at the opposite ends of the two first threaded rods (12), the cross beam (6) is of a hollow cuboid structure, and sliding grooves (20) are symmetrically formed in the lower surface of the cross beam (6), the center of two sides of the inner surface of the cross beam (6) is rotatably connected with lead screws (17), the outer side walls of the two lead screws (17) are in threaded connection with moving blocks (18), connecting rods (19) are fixed on the lower surfaces of the two moving blocks (18), the bottom ends of the two connecting rods (19) respectively penetrate through the two sliding chutes (20), the bottom ends of the two connecting rods (19) are respectively fixed with the cross rods (2), the bottom parts of the outer side walls of the two cross rods (2) are respectively fixed with the fixed plates (1), the lower surfaces of the two fixed plates (1) are respectively and symmetrically fixed with the drag hooks (15), the opposite ends of the two lead screws (17) are respectively and fixedly provided with first bevel gears (22), second bevel gears (21) are symmetrically arranged in the cross beam (6), and the two second bevel gears (21) are respectively engaged and connected with the two first bevel gears (22), the upper surface of the cross beam (6) is symmetrically and rotatably connected with rotating rods (8), the bottom ends of the two rotating rods (8) are respectively and fixedly connected with the tops of the two second bevel gears (21), and the top ends of the two rotating rods (8) are respectively and fixedly provided with a second knob (7);

the utility model discloses a board cover, including board cover (9), backup pad (5), threaded sleeve (10), the internal thread of threaded sleeve (10) is connected with second threaded rod (4), second threaded rod (4) run through the threaded sleeve (10) that receives with one side of board cover (9), just the one end of second threaded rod (4) is located the inside of board cover (9) is fixed with second fixed disk (24), and the other end is fixed with third knob (3).

2. The retractor for hepatobiliary surgery according to claim 1, further comprising: first anti-skid gaskets (16) are fixed on the opposite sides of the two first fixing discs (14), and the two first anti-skid gaskets (16) are made of rubber materials with rough treatment and good elasticity on the opposite sides.

3. The retractor for hepatobiliary surgery according to claim 2, further comprising: the outer side walls of the first knob (11), the second knob (7) and the third knob (3) are provided with anti-slip stripes.

4. The retractor for hepatobiliary surgery according to claim 3, wherein: the one end that second fixed disk (24) kept away from second threaded rod (4) is fixed with second anti-skidding gasket (23), second anti-skidding gasket (23) are elastic good, and one side rubber material through rough treatment.

5. The retractor for hepatobiliary surgery according to claim 1, further comprising: the bottom of backup pad (5) is located the inside of board cover (9) is fixed with limiting plate (25), the width of limiting plate (25) is greater than board cover (9) open-top's width.