CN214966037U

CN214966037U - Vertebral plate spreader in spinal surgery

Info

Publication number: CN214966037U
Application number: CN202120267507.9U
Authority: CN
Inventors: 刘家明; 张钰; 刘志礼
Original assignee: First Affiliated Hospital of Nanchang University
Current assignee: First Affiliated Hospital of Nanchang University
Priority date: 2021-01-29
Filing date: 2021-01-29
Publication date: 2021-12-03
Anticipated expiration: 2031-01-29

Abstract

The utility model discloses a vertebral plate among spinal surgery struts ware in medical apparatus field to solve among the prior art main knife doctor when carrying out the operation in-process for observing the vertebral plate that the binding clip struts, because the handle that the station produced supports the abdominal condition, in order to overcome above-mentioned defect, this technical scheme includes the handle that mutual articulated binding clip struts with interior control binding clip, the binding clip has the arc that is used for bias folding binding clip and handle even portion with the junction of handle, the terminal articulated locking piece that has of handle. Handle and binding clip adopt arc connection transitional coupling among this technical scheme to thereby avoided the main surgeon in order to observe thereby the handle condition that abdominal is supported to the wound that the binding clip struts in the in-process of performing the operation, the junction has universal arbor wheel simultaneously for the patient of different fat thickness, and the bracing piece that stretches into the vertebral plate is for locating for flat pole, and has the cardan shaft. When the supporting rods are unfolded at different angles, the supporting rods unfold the upper and lower end plate parts of the near and far end vertebral bodies in a plane.

Description

Vertebral plate spreader in spinal surgery

Technical Field

The utility model belongs to the field of medical equipment, specifically a vertebral plate spreader in spinal surgery.

Background

In spinal surgery, it is critical to fully expose the surgical field for precise surgery. Due to the developed muscles at the spine, thick soft tissues and deep wounds, the exposure is extremely difficult. The method in the prior art is to use a retractor to retract the wound, but the existing retractor has a complex structure and is complex to operate, and the space for exposing the operation area is limited, so that the operation space of an operator is small, the operation is inconvenient to use, and the operation progress is influenced.

To overcome the above problems, prior art publication No. CN207679482U discloses a retractor for spinal surgery, which mainly uses an adjusting claw and an adjusting nut combination to enlarge or change the space to be distracted. The operation wound can be more simply and conveniently retracted, a larger operation area space can be exposed according to actual operation needs, the operation space is increased, and the operation difficulty is reduced.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model aims to provide a vertebral plate spreader with a deflection angle for avoiding the abdomen of the main doctor from being collided in the spinal surgery.

In order to achieve the above purpose, the technical solution of the present invention is as follows: the utility model provides a vertebral plate among spine operation struts ware, includes the handle that mutual articulated binding clip and interior control binding clip strut, the junction of binding clip and handle has the arc that is used for deviating from binding clip and handle even portion, the terminal articulated locking piece that has of handle.

After the scheme is adopted, the following beneficial effects are realized: 1. compared with the prior art adopting a right-angle tractor, the technical scheme has the advantages that the handle and the forceps head are in arc connection transitional connection, so that the condition that a doctor carries out an operation to push the handle against the abdomen in order to observe the wound propped by the forceps head is avoided, and the simplicity and convenience of operation are improved.

2. Compared with the prior art adopting an external supporting scheme, the forceps head is controlled to be unfolded by utilizing an internal holding mode in the technical scheme, inward extrusion is mainly realized by means of biceps muscle strength according to human mechanics, back strength is small, the outward unfolding is basically the back support strength, the opportunity of arm exercise in daily life is more than the back, vertebral plates of upper and lower vertebral bodies of a certain section of a vertebral column are conveniently unfolded, and the common muscle of a human body is convenient to exert force.

Furthermore, the locking piece comprises a ratchet rack fixedly connected to one end of the handle and a ratchet clamping lock hinged to the other end of the handle, the ratchet rack is meshed with the ratchet clamping lock and transversely placed, and the locking direction of the ratchet clamping lock is the handle outward-supporting direction.

Has the advantages that: 1. compared with the prior art which is convenient for muscle to exert force, the technical scheme realizes unidirectional locking by mutual matching of the ratchet wheel and the ratchet wheel lock in the pinching process, and is convenient for stabilizing the size of the spread of the forceps head.

2. For the prior art who adopts the ratchet locking, among this technical scheme ratchet kayser is articulated with the handle, the release of the locking state of being convenient for.

Further, the binding clip is kept away from handle department and is had the ladder mouth, the ladder mouth includes first order ladder and second level ladder, first order ladder and second level ladder mutually perpendicular, and first order ladder coincidence vertebra department is flat.

The noun explains: the step opening is a continuous two-stage step-shaped structure in a front view state.

Has the advantages that: compared with the prior art adopting a flat nozzle, the technical scheme utilizes the tong head scheme with the deflection angle, is convenient for exposing the operation visual field, and is convenient for cleaning bone residues in the spine within the visual field range.

Further, a sliding part is arranged at the joint of the second-stage step and the tong head.

Further, the slider includes a universal joint.

Has the advantages that: the universal joint is utilized to realize the guiding function, so that the orientation and the gap at the opening of the vertebral plate can be matched conveniently at multiple angles.

Further, the slider includes a one-way sliding lever.

Has the advantages that: in the embodiment, the sliding rod adopts the axial swinging type sliding rod, so that the tong head can swing axially, the effect of adjusting the immersion angle and the depth is achieved, meanwhile, compared with the universal joint, the unidirectional sliding rod can only swing unidirectionally in the embodiment, and the multidirectional swinging caused by the universal joint after the jaw is stressed is avoided.

Further, the slider includes sleeve, lock bullet, slide rail and lockhole, and the lock bullet includes extension spring and warhead, and the sleeve is located the junction of first order ladder and second level ladder, and slide rail integrated into one piece makes in first order ladder, and the three equidistant lockhole of sleeve surface machining, and the lock bullet is located slide rail department, and the stroke department that the lock bullet was located the lockhole.

Has the advantages that: medical personnel when using this device to carry out the length regulation of first order ladder and second level ladder, thereby at first medical personnel shifts up the slide rail, and the extension spring that the lock bullet was connected when the lock bullet coincidence extended naturally when the lockhole to the inside locking that realizes of lockhole is gone into to the warhead block, and medical personnel press the lock bullet to with its unblock when needs unblock, realize the regulation of length afterwards.

Furthermore, the included angle between the arc connecting part and the forceps head is 80-130 degrees.

Drawings

Fig. 1 is a schematic view of a first embodiment of the present invention;

fig. 2 is a schematic view of a second embodiment of the present invention;

fig. 3 is a schematic view of a third embodiment of the present invention;

FIG. 4 is an enlarged view taken at A in FIG. 3;

fig. 5 is a schematic view of a fourth embodiment of the present invention;

fig. 6 is a cross-sectional view of the sleeve and slide rail of fig. 5.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: binding clip 1, handle 2, arc connecting portion 3, ratchet rack 4, ratchet kayser 5, first order ladder 6, second order ladder 7, universal joint 8, sleeve 9, slide rail 10, lockhole 11, extension spring 12, warhead 13.

Example one

The embodiment is basically as shown in the attached figure 1: a vertebral plate distracter in spinal surgery comprises a forceps head 1 and a handle 2, wherein the forceps head 1 and the handle 2 are hinged to each other, the handle 2 is used for controlling the forceps head 1 to be distracted, an arc connecting portion 3 used for deflecting the forceps head 1 and the handle 2 is arranged at the joint of the forceps head 1 and the handle 2, an included angle between the arc connecting portion 3 and the forceps head 1 is 120 degrees, and a locking piece is hinged to the tail end of the handle 2.

The locking piece includes ratchet rack 4 of fixed connection in 2 one ends of handle and articulates in ratchet kayser 5 at the 2 other ends of handle,

ratchet rack

4 and 5 meshes of ratchet kayser, and ratchet rack 4 transversely places, 5 locking directions of ratchet kayser are the 2 external stay directions of handle, 2 departments of handle are kept away from to binding clip 1 have the ladder mouth, the ladder mouth includes first order ladder 6 and second level ladder 7,

first order ladder

6 and 7 mutually perpendicular of second level ladder, and 6 coincidence vertebra departments of first order ladder are flat.

The specific implementation process is as follows: the side position of the main scalpel doctor stands in the operation process, the vertebral plate at the opening part is then opened, so that the vertebral gap is exposed, in the opening process, medical personnel hold the handle 2 and immerse the forceps head 1 into the lumbar and back operation incision in the patient body, at the moment, because the upper and lower vertebral body surfaces of the vertebral plate to be opened are coincided and are to be opened by the first-stage ladder 6, the medical personnel can enable the forceps head 1 and the internal vertebral column of the patient to be in a shape of wide-side contact, the possibility that the spine of the patient is pressed by an instrument is reduced through the wide-side contact, meanwhile, the forceps head 1 scheme with the deflection angle is utilized, the operation visual field is convenient to expose, and the exposure of the vertebral gap and the cleaning of bone residues inside the spine within the visual field range are facilitated.

The utility model discloses a muscle strength of back portion, including back portion, and the like the back portion, are used in the back portion, are used in the back portion, the back portion are used in the portion, the portion are used in the back portion are used in the portion can be convenient to conduct the back portion, the back portion, the back portion can be used in the portion, the portion can be used in the portion, the portion can be used in the portion, the portion can be used in the portion, the portion can be used in the portion, the portion can be used in the. Meanwhile, according to the standing relation of the main scalpel, the handle 2 and the forceps head 1 are in transitional connection through the arc connecting part 3, so that the situation that the handle 2 props against the abdomen in order to observe the wound propped open by the forceps head 1 during the operation of the main scalpel is avoided, and the operation simplicity is improved.

Meanwhile, in the process of controlling engagement, the ratchet wheel is matched with the ratchet wheel clamping lock 5 to realize unidirectional locking, so that the size of the opened pliers head 1 is stabilized. When the operation is completed, the medical care personnel can rotate the ratchet card lock 5 to be disengaged from the ratchet bar, thereby taking down the device.

Example two

Referring to fig. 2, the difference between the present embodiment and the above embodiments is that a universal joint 8 is provided at the connection point of the second step 7 and the binding clip 1, wherein the universal joint 8 is a ball joint universal joint 8.

When using this embodiment, medical personnel can control the ladder mouth through the deflection of universal joint 8 and immerse the inside degree of depth of patient's operation incision, and the ladder mouth submerges the degree of depth and reaches the biggest when ladder mouth and patient's vertebral plate are vertical state, and when ladder mouth and patient's vertebral plate were deflection angle, the degree of depth of submerging reduced to realize the regulation performance of device.

EXAMPLE III

Referring to fig. 3 and 4, the difference between the present embodiment and the above embodiments is that the sliding member of the present embodiment includes a one-way sliding rod 9.

In the embodiment, the sliding rod adopts the axial swinging type sliding rod 9, so that the tong head 1 swings axially, the effect of adjusting the immersion angle and the immersion depth is achieved, meanwhile, compared with the universal joint 8, the unidirectional sliding rod 9 can only swing unidirectionally in the embodiment, and the multidirectional swinging condition caused by the universal joint after the jaw 1 is stressed is avoided.

Example four

Referring to fig. 5 and 6, the present embodiment is different from the above embodiments in that the present embodiment includes a sleeve 9, a lock bullet, a slide rail 10 and a lock hole 11, and the lock bullet includes a tension spring 12 and a bullet 13.

In this embodiment, the sleeve 9 is located at the joint of the first step 6 and the second step 7, the slide rail 10 is integrally manufactured on the first step 6, three equidistant lock holes 11 are formed in the surface of the sleeve 9, the lock cylinder is located at the slide rail 10, and the lock cylinder is located at the stroke of the lock hole 11.

Medical personnel use this device to carry out the regulation of

first order ladder

6 and 7 length of second order ladder, at first medical personnel with slide rail 10 move up and to, the extension spring 12 that the lock bullet was connected when lock bullet coincidence in lockhole 11 straightens naturally to the inside locking that realizes of lockhole 11 is gone into to warhead 13 block, and medical personnel press the lock bullet to realize its unblock when needs unblock afterwards, realizes the regulation of length.

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.

The above description is only for the embodiments of the present invention, and the common general knowledge of the known specific structures and characteristics in the schemes is not described herein too much, and those skilled in the art will know all the common technical knowledge in the technical field of the present invention before the application date or the priority date, can know all the prior art in this field, and have the ability to apply the conventional experimental means before this date, and those skilled in the art can combine their own ability to perfect and implement the schemes, and some typical known structures or known methods should not become obstacles for those skilled in the art to implement the present application. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. The utility model provides a vertebral plate struts ware in vertebra operation which characterized in that: the clamp comprises a clamp head and a handle, wherein the clamp head and the handle are hinged to each other, the handle is used for controlling the clamp head to be spread, an arc connecting part used for deflecting the clamp head and the handle is arranged at the joint of the clamp head and the handle, and a locking piece is hinged to the tail end of the handle.

2. A spinal surgery lamina distractor according to claim 1, wherein: the locking piece comprises a ratchet rack fixedly connected to one end of the handle and a ratchet clamping lock hinged to the other end of the handle, the ratchet rack is meshed with the ratchet clamping lock, the ratchet rack is transversely placed, and the locking direction of the ratchet clamping lock is the handle outward-supporting direction.

3. A spinal surgery lamina distractor according to claim 2, wherein: the binding clip is kept away from handle department and is had the ladder mouth, the ladder mouth includes first order ladder and second level ladder, first order ladder and second level ladder mutually perpendicular, and first order ladder coincidence vertebra department is flat.

4. A spinal surgery lamina distractor according to claim 3 wherein: and a sliding part is arranged at the joint of the second-stage step and the tong head.

5. The spinal surgical lamina distractor of claim 4, wherein: the slider includes a gimbal.

6. The spinal surgical lamina distractor of claim 4, wherein: the sliding member includes a one-way sliding lever.

7. The spinal surgical lamina distractor of claim 4, wherein: the slider includes sleeve, lock bullet, slide rail and lockhole, and the lock bullet includes extension spring and warhead, and the sleeve is located the junction of first order ladder and second level ladder, and slide rail integrated into one piece makes in first order ladder, and the three equidistant lockhole of sleeve surface machining, and the lock bullet is located slide rail department, and the stroke department that the lock bullet was located the lockhole.

8. A spinal surgery lamina distractor according to any one of claims 4-7 wherein: the included angle between the arc connecting part and the forceps head is 80-130 degrees.