CN210749384U

CN210749384U - Novel vertebral plate rongeur for spinal surgery

Info

Publication number: CN210749384U
Application number: CN201921282012.2U
Authority: CN
Inventors: 宋仁谦; 郭宸豪; 李文庆
Original assignee: Luoyang Orthopedic Traumatological Hospital of Henan Orthopedic Hospital
Current assignee: Luoyang Orthopedic Traumatological Hospital of Henan Orthopedic Hospital
Priority date: 2019-08-09
Filing date: 2019-08-09
Publication date: 2020-06-16
Anticipated expiration: 2029-08-09

Abstract

The utility model discloses a novel vertebral plate rongeur for spinal surgery, which comprises a push rod and a sliding rod, the sliding rod is arranged at the upper end of the pushing rod, the front end of the pushing rod is provided with a bone biting foot plate, the anti-dropping sleeve can be sleeved on the forefinger grip and the three-finger grip along the grip clamping groove, one end of the fixing screw transversely passes through the screw mounting holes at the upper end and the lower end of the anti-dropping sleeve, one end of the fixed threaded sleeve transversely penetrates through a threaded sleeve mounting hole opposite to the screw mounting hole, the fixed screw is inserted into the fixed threaded sleeve and is screwed and fixedly connected with the fixed threaded sleeve, thereby fixing the anti-falling sleeve at the front ends of the forefinger grip and the third-finger grip, when in use, the thumb holds the rear handle, other four fingers respectively penetrate through the three-finger lantern ring and the forefinger lantern ring, so that the condition that the forefinger grip and the movable joint clamp the hand during operation is avoided, but also can prevent the medical accidents caused by the accidental falling of the vertebral plate rongeur in the operation process.

Description

Novel vertebral plate rongeur for spinal surgery

Technical Field

The utility model belongs to the technical field of medical instrument is relevant, concretely relates to novel vertebral plate rongeur for spinal surgery.

Background

The vertebral plate rongeur is an operation instrument for biting dead bones or trimming bone stumps in spinal operations, the times of moving a working channel in the operations are obviously reduced, the operation time is shortened, a binding clip has a certain radian, the operable space of the gun clamp can be increased in a limited working channel tube, the gun clamp can easily enter a side hidden pit and an intervertebral foramen to carry out nerve root canal decompression, 360-degree internal rotation is fixed, a handle of the gun clamp is always positioned on the side of an operator, the phenomenon that the inner side edge of the facet joint on the same side needs to be bitten off in the operations and the handle of the gun clamp needs to be placed on the assistant side is avoided, the defect that the operation of the assistant is hindered by the existing gun clamp is overcome, the occurrence of operation complications is reduced, the jaw with various angles can be disassembled and replaced, the.

The existing vertebral plate rongeur technology for spinal surgery has the following problems: the vertebral plate rongeur for the spinal surgery sometimes falls off from a hand of a doctor in actual use and operation, so that medical accidents are caused, the illness state of a patient is aggravated, and the index finger grip and the movable joint of the vertebral plate rongeur sometimes have the phenomenon of grinding or clamping the hand, so that the smoothness of operation is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel vertebral plate rongeur for spinal surgery to solve the easy smooth degree problem of operation that drops, grinds the hand or presss from both sides influence in one's hand that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a novel vertebral plate rongeur for spinal surgery comprises a push rod and a sliding rod, wherein the sliding rod is installed at the upper end of the push rod, a bone biting foot plate is arranged at the front end of the push rod, a movable joint is arranged at the rear end of the push rod, a rear handle is arranged at the lower end of the movable joint, a forefinger handle is arranged on the front side of the rear handle, the forefinger handle is fixedly connected with the rear handle through a fastening knob, a three-finger handle is arranged at the lower end of the forefinger handle, a spring strip is arranged between the rear handle and the three-finger handle, the rear handle, the three-finger handle and the spring strip are fixedly connected through spring screws, an anti-falling sleeve is sleeved outside the circumference of the front ends of the forefinger handle and the three-finger handle, an index finger sleeve ring is arranged on the outer wall of the front end of the upper side of the anti-falling sleeve, three sleeve rings are arranged on the outer walls of the left ends of, the anti-falling device is characterized in that thread sleeve mounting holes are formed in the outer walls of the right ends of the upper side and the lower side of the anti-falling sleeve, a handle clamping groove is formed in the rear end of the anti-falling sleeve, the anti-falling sleeve is fixedly connected with a forefinger handle through a fixing screw, and a fixing thread sleeve is sleeved outside the circumference of the fixing screw.

Preferably, the diameter of the inner circumferential wall of the index finger ring and the three-finger ring is 20 mm.

Preferably, the transverse width of the index finger grip and the three-finger grip is 6mm, and the transverse width of the grip clamping groove is 7 mm.

Preferably, the transverse width of the anti-falling sleeve is 10mm, the length of the fixing screw is 6mm, and the length of the fixing thread sleeve is 5 mm.

Preferably, the circumferential diameter of the screw mounting hole is 3mm, and the circumferential diameter of the thread insert mounting hole is 4 mm.

Preferably, the circumferential diameter of the fixing screw is 2.5mm, and the circumferential inner wall of the fixing thread insert is 3.5 mm.

Compared with the existing vertebral plate rongeur technology for spinal surgery, the utility model provides a novel vertebral plate rongeur for spinal surgery possesses following beneficial effect:

1. the utility model discloses a cup joint the anticreep cover at the front end of forefinger handle and three-finger handle, set up forefinger lantern ring and three-finger lantern ring respectively at the upper and lower ends of the front end outer wall of anticreep cover, in the operation process, the surgeon can hold the back handle with the thumb, insert other four fingers respectively into forefinger lantern ring and three-finger lantern ring, prevent the vertebral plate rongeur from falling off in the operation process by accident, and the medical accident that causes, thereby has avoided the emergence of unexpected circumstances, the anticreep cover is fixed on forefinger handle and three-finger handle by upper and lower two pairs of set screw and set screw, thereby can dismantle the cleaning and disinfecting of anticreep cover;

2. the utility model discloses can cup joint the anticreep cover on forefinger handle and three finger grip along the handle draw-in groove, pass the mounting screw hole at both ends about the anticreep cover with fixing screw's one end traversing, and the one end traversing screw mounting hole opposite swivel nut mounting hole of fixed swivel nut, fixing screw inserts in the fixed swivel nut, revolve the fixed screw revolve twist with fixed swivel nut fastening connection, thereby fix the anticreep cover at the front end of forefinger handle and three finger grip, the back handle is held to the thumb during use, other four fingers pass three finger lantern rings and forefinger lantern rings respectively, the condition of forefinger handle and freely movable joint when the operation has not only been avoided taking place, and can prevent that the vertebral plate rongeur from dropping and the medical accident that causes in the operation process accident.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

FIG. 1 is a schematic structural view of a vertebral plate rongeur for spinal surgery according to the present invention;

fig. 2 is a schematic view of the installation of the anti-dropping cover of the present invention;

fig. 3 is a schematic view of a partial structure of the anti-falling sleeve provided by the present invention;

fig. 4 is a schematic structural view of a fixing screw and a fixing thread insert according to the present invention;

in the figure: 1. a bone biting footplate; 2. a push rod; 3. a slide bar; 4. fastening a knob; 5. a movable joint; 6. a forefinger grip; 7. a rear handle; 8. a spring bar; 9. a spring screw; 10. a three-finger grip; 11. an anti-falling sleeve; 12. a three-finger ring; 13. a forefinger collar; 14. a screw mounting hole; 15. a grip clamping groove; 16. a thread sleeve mounting hole; 17. a set screw; 18. and fixing the threaded sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a novel vertebral plate rongeur for spinal surgery comprises a push rod 2 and a sliding rod 3, wherein the sliding rod 3 is installed at the upper end of the push rod 2, a bone biting foot plate 1 is arranged at the front end of the push rod 2, a movable joint 5 is arranged at the rear end of the push rod 2, a rear handle 7 is arranged at the lower end of the movable joint 5, a forefinger grip 6 is arranged on the front side of the rear handle 7, the forefinger grip 6 is fixedly connected with the rear handle 7 through a fastening knob 4, a three-finger grip 10 is arranged at the lower end of the forefinger grip 6, the lateral widths of the forefinger grip 6 and the three-finger grip 10 are 6mm, the widths of the forefinger grip 6 and the three-finger grip 10 are substantially consistent, the lateral width of a grip clamping groove 15 is 7mm, the width of the grip clamping groove 15 is slightly larger than the lateral widths of the forefinger grip 6 and the three-finger grip 10, so that the forefinger grip 6 and the three-finger grip 10 can be, the vertebral plate rongeur has a certain protection effect, a spring strip 8 is arranged between a rear handle 7 and a three-finger grip 10, the rear handle 7, the three-finger grip 10 and the spring strip 8 are fixedly connected through a spring screw 9, an anti-falling sleeve 11 is sleeved outside the circumference of the front ends of a forefinger grip 6 and the three-finger grip 10, the transverse width of the anti-falling sleeve 11 is 10mm, the length of a fixing screw 17 is 6mm, the length of a fixing screw sleeve 18 is 5mm, the two fixing screws 17 and the two fixing screw sleeves 18 are fixing elements of the anti-falling sleeve 11, and when the anti-falling sleeve 11 is attached to the forefinger grip 6 and the three-finger grip 10, the upper end and the lower end of the anti-falling sleeve 11 are firmly fixed with the forefinger grip 6 and the three-finger grip 10 by the upper two pairs of fixing screws 17 and the two pairs of fixing screw sleeves 18 respectively.

A novel vertebral plate rongeur for spinal surgery comprises an index finger sleeve ring 13 arranged on the front end outer wall of the upper side of an anti-falling sleeve 11, a three-finger sleeve ring 12 arranged on the front end outer wall of the lower side of the anti-falling sleeve 11, the diameters of the inner circumferential walls of the index finger sleeve ring 13 and the three-finger sleeve ring 12 are 20mm, the index finger sleeve ring 13 and the three-finger sleeve ring 12 are respectively arranged at the upper end and the lower end of the anti-falling sleeve 11, in the operation process, an operator can hold a rear handle 7 with a thumb and insert other four fingers into the index finger sleeve ring 13 and the three-finger sleeve ring 12 respectively to prevent the vertebral plate rongeur from accidentally falling off in the operation process to cause medical accidents, thereby avoiding the occurrence of accidents, screw mounting holes 14 are arranged on the left end outer walls of the upper side and the lower side of the anti-falling sleeve 11, screw sleeve mounting holes 16 are arranged on the right end outer walls of the upper side and the lower side of, the circumference diameter of the screw sleeve mounting hole 16 is 4mm, the circumference diameter of the screw mounting hole 14 is slightly smaller than the circumference diameter of the screw sleeve mounting hole 16, and the screw mounting hole 14 and the screw sleeve mounting hole 16 are respectively used for penetrating through a fixing screw 17 and a fixing screw sleeve 18, so that the anti-falling sleeve 11, the index finger grip 6 and the three-finger grip 10 are fixed.

The utility model provides a novel vertebral plate rongeur for spinal surgery, the rear end including anticreep cover 11 is provided with handle draw-in groove 15, anticreep cover 11 passes through set screw 17 fixed connection with forefinger handle 6, the circumference outside of set screw 17 has cup jointed the circumference diameter size of fixed swivel nut 18 set screw 17 and is 3.5mm of the circumference inner wall diameter size of 2.5mm fixed swivel nut 18, the one end of set screw 17 transversely passes the screw mounting hole 14 at both ends about anticreep cover 11, and the one end of fixed swivel nut 18 transversely passes the swivel nut mounting hole 16 of 14 oppositions of screw mounting hole, set screw 17 inserts in fixed swivel nut 18, revolve fixed screw 17 revolve twist with fixed swivel nut 18 fastening connection, thereby fix anticreep cover 11 at the front end of forefinger handle 6 and three-finger handle 10.

The utility model discloses a theory of operation and use flow: after the utility model is installed, the utility model has a push rod 2 and a sliding rod 3 which are mutually matched and can do relative translational motion, wherein the rear section of the push rod 2 forms a rear handle 7 in a way of bending to the side lower part, a forefinger handle 6 and a three-finger handle 10 are combined with the rear end of the sliding rod 3 by a fastening knob 4 by taking a movable joint 5 as a fulcrum, a spring strip 8 is arranged between the rear handle 7, the forefinger handle 6 and the three-finger handle 10, the structure is more reasonable, the engagement between the push rod 2 and the sliding rod 3 is tight, the stress is even, the deformation is small, the combination of an inosculating opening after closing is tight, and phenomena such as stagger, deflection, bone slag embedding and plugging are not easy to generate, before operation, an anti-falling sleeve 11 can be sleeved on the forefinger handle 6 and the three-finger handle 10 along a handle clamping groove 15, one end of a fixing screw 17 transversely passes through screw mounting holes 14 at the, one end of the fixed screw sleeve 18 transversely penetrates through a screw sleeve mounting hole 16 opposite to the screw mounting hole 14, the fixed screw 17 is inserted into the fixed screw sleeve 18, the fixed screw 17 is screwed and tightly connected with the fixed screw sleeve 18, so that the anti-falling sleeve 11 is fixed at the front ends of the forefinger grip 6 and the three-finger grip 10, when in use, the thumb holds the rear handle 7, and the other four fingers respectively penetrate through the three-finger lantern ring 12 and the forefinger lantern ring 13.

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. The utility model provides a novel vertebral plate rongeur for spinal surgery, includes push rod (2) and slide bar (3), its characterized in that: the sliding rod (3) is installed at the upper end of the pushing rod (2), the bone biting foot plate (1) is arranged at the front end of the pushing rod (2), the movable joint (5) is arranged at the rear end of the pushing rod (2), the rear handle (7) is arranged at the lower end of the movable joint (5), the index finger grip (6) is arranged at the front side of the rear handle (7), the index finger grip (6) is fixedly connected with the rear handle (7) through the fastening knob (4), the three-finger grip (10) is arranged at the lower end of the index finger grip (6), the spring strip (8) is arranged between the rear handle (7) and the three-finger grip (10), the rear handle (7), the three-finger grip (10) and the spring strip (8) are fixedly connected through the spring screw (9), the anti-falling sleeve (11) is sleeved outside the perimeter of the front ends of the index finger grip (6) and the three-finger grip (10), be provided with forefinger lantern ring (13) on the front end outer wall of anticreep cover (11) upside, be provided with three dactylotheca ring (12) on the front end outer wall of anticreep cover (11) downside, be provided with screw mounting hole (14) on the upper and lower both sides left end outer wall of anticreep cover (11), be provided with swivel nut mounting hole (16) on the upper and lower both sides right-hand member outer wall of anticreep cover (11), the rear end of anticreep cover (11) is provided with handle draw-in groove (15), fixing screw (17) fixed connection is passed through with forefinger handle (6) to anticreep cover (11), fixed swivel nut (18) have been cup jointed to the circumference outside of fixing screw (17).

2. The novel vertebral plate rongeur for spinal surgery of claim 1, wherein: the diameters of the inner walls of the circumferences of the forefinger sleeve ring (13) and the third finger sleeve ring (12) are 20 mm.

3. The novel vertebral plate rongeur for spinal surgery of claim 1, wherein: the transverse width of the index finger grip (6) and the three-finger grip (10) is 6mm, and the transverse width of the grip clamping groove (15) is 7 mm.

4. The novel vertebral plate rongeur for spinal surgery of claim 1, wherein: the transverse width of the anti-falling sleeve (11) is 10mm, the length of the fixing screw (17) is 6mm, and the length of the fixing threaded sleeve (18) is 5 mm.

5. The novel vertebral plate rongeur for spinal surgery of claim 1, wherein: the circumferential diameter of the screw mounting hole (14) is 3mm, and the circumferential diameter of the thread sleeve mounting hole (16) is 4 mm.

6. The novel vertebral plate rongeur for spinal surgery of claim 1, wherein: the diameter of the circumference of the fixing screw (17) is 2.5mm, and the diameter of the circumference inner wall of the fixing thread sleeve (18) is 3.5 mm.