CN216777131U

CN216777131U - Automatic retractor for percutaneous muscle clearance approach spinal surgery

Info

Publication number: CN216777131U
Application number: CN202123017795.1U
Authority: CN
Inventors: 高升; 孙军战
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-03
Filing date: 2021-12-03
Publication date: 2022-06-21
Anticipated expiration: 2031-12-03

Abstract

The utility model relates to the technical field of spinal surgery instruments, and solves the problems that a retractor device cannot meet the requirements of surgery, the workload of medical staff is increased, and the treatment effect of the surgery is influenced. The utility model can rotate and draw in all directions when in use, has no working dead angle, can operate a plurality of windows simultaneously, reduces the operation time, and has convenient use and flexible and reliable operation.

Description

Automatic retractor for percutaneous muscle clearance approach spinal surgery

Technical Field

The utility model relates to the technical field of spinal surgery instruments, in particular to an automatic retractor for a percutaneous muscle clearance approach spinal surgery.

Background

In the hospital, the backbone surgery doctor is when doing the backbone operation for patient, in order to fully expose the operation of being convenient for in the operation field of vision, under the normal conditions, need with the drag hook tractive operation incision, however, under a lot of circumstances, because the operation incision is great, the hand position is more special, the window that needs to expose is many, only can show an operation window, be unfavorable for two side operation windows to contrast simultaneously, influence the judgement to dissecting the main points in the operation, and the hook head rigidity, can not change along with the operation window and prop open the scope, therefore, this kind of drag hook device can not satisfy the needs of operation, not only increased medical staff's work load, but also influence the treatment of operation.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides the automatic retractor for the spinal surgery through the muscular clearance approach, which solves the problems that the retractor device can not meet the requirements of the surgery, not only increases the workload of medical staff, but also influences the treatment effect of the surgery.

(II) technical scheme

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a pass through automatic drag hook of flesh clearance approach spinal surgery, including first ball joint and two main digging arms, two main digging arms all are scissors formula distribution and swing joint through first ball joint, the equal fixedly connected with connecting rod of expansion end of two main digging arms, the other end of two connecting rods all is connected with the second ball joint, be equipped with two vice digging arms on the second ball joint, two vice digging arms are scissors formula distribution and swing joint through second ball joint, the equal fixed mounting of expansion end of two vice digging arms has the mounting panel, there is the separation blade through mounting part demountable installation on the mounting panel, all install the nut switch that is used for two fixed digging arms to use on first ball joint and the second ball joint.

Further, the mounting component comprises a connecting plate, the connecting plate is fixed at the bottom of the blocking piece, and the connecting plate is fixed on the mounting plate through screws.

Furthermore, the connecting rods are L-shaped, the two connecting rods are respectively positioned at the movable ends of the two main movable arms, and the two connecting rods are symmetrically distributed by taking the first ball joint as a center line.

Further, the installation component is including seting up the constant head tank on the mounting panel, and the constant head tank interpolation has the stopper, the top and the separation blade fixed connection of stopper, and the one end of mounting panel is equipped with the end cover that blocks of pegging graft in the constant head tank.

Furthermore, the cross-sectional shape of constant head tank is the T font, and the shape size looks adaptation of constant head tank and stopper.

Furthermore, the top of the mounting plate is fixedly provided with a permanent magnet, the bottom of the blocking piece is fixedly connected with a bottom plate, and a magnetic attraction piece corresponding to the permanent magnet is embedded on the bottom plate.

Further, the installation component comprises a slot formed in the installation plate, the separation blade is inserted into the slot, two magnetic plates are fixedly installed on the installation plate and are respectively located on two sides of the inner wall of the slot, metal sheets are embedded in the bottoms of two sides of the separation blade, and the metal sheets correspond to the magnetic plates.

Further, the fixed ends of the main movable arm and the auxiliary movable arm are fixedly provided with handles, and the handles are sleeved with protective sleeves made of rubber materials.

(III) advantageous effects

The utility model provides an automatic retractor for a spinal surgery through a muscular clearance approach, which has the following beneficial effects:

1. the utility model provides an automatic retractor capable of simultaneously exposing two operation windows, and capable of switching the required exposure range at will according to the operation range, thus comprehensively solving the defects of the existing automatic retractor, ensuring that two operators perform operations simultaneously and reducing the operation time.

2. The automatic draw hook can rotate and draw in all directions in use, has no working dead angle, can be operated simultaneously through multiple windows, reduces the operation time, and is convenient to use and flexible and reliable to operate.

3. The utility model can adjust the positions of the two groups of blocking pieces according to the field requirement, and locks the two groups of blocking pieces through the nut switch, thereby improving the convenience and accuracy of the positioning of the operation position, simultaneously changing the opening range along with the change of the operation window, and enabling the movable end of the auxiliary movable arm to control the size of the opening range under the action of the fixed end, thereby solving the problems that the drag hook device can not meet the operation requirement, not only increasing the workload of medical personnel, but also influencing the treatment effect of the operation.

4. According to the automatic drag hook, the mounting component is used for mounting the blocking piece on the mounting plate, the blocking pieces with different sizes can be conveniently replaced by a detachable mounting mode, convenience in replacing different blocking pieces can be improved, efficiency in the replacement process is improved, and convenience in the use process of the automatic drag hook is improved to a great extent.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

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

FIG. 2 is a schematic structural diagram of a mounting plate and a blocking plate according to a first embodiment of the present invention;

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

FIG. 4 is an exploded view of a first mounting plate and baffle structure according to a second embodiment of the present invention;

FIG. 5 is an exploded view of a second mounting plate and baffle structure according to a second embodiment of the present invention;

fig. 6 is an exploded view of the mounting plate and the baffle plate structure in the third embodiment of the present invention.

In the figure: 1. a first ball joint; 2. a main movable arm; 3. a connecting rod; 4. a second ball joint; 5. a secondary movable arm; 6. mounting a plate; 7. a baffle plate; 8. a nut switch; 9. a handle; 71. a connecting plate; 72. a screw; 711. positioning a groove; 712. a limiting block; 713. a blocking end cap; 714. a permanent magnet; 715. a base plate; 716. a magnetic attraction sheet; 721. a slot; 722. a magnetic plate; 723. a metal sheet.

Detailed Description

Embodiments of the present application will be described in detail with reference to the drawings and examples, so that how to implement technical means to solve technical problems and achieve technical effects of the present application can be fully understood and implemented.

Example one

FIGS. 1-2 illustrate an embodiment of the present invention: the utility model provides a through automatic drag hook of flesh clearance approach spinal surgery, including first ball joint 1 and two main digging arms 2, two main digging arms 2 all are scissors formula distribution and swing joint through first ball joint 1, the equal fixedly connected with connecting rod 3 of the expansion end of two main digging arms 2, the other end of two connecting rods 3 all is connected with second ball joint 4, be equipped with two vice digging arms 5 on the second ball joint 4, two vice digging arms 5 are scissors formula distribution and swing joint through second ball joint 4, the equal fixed mounting of the expansion end of two vice digging arms 5 has mounting panel 6, there is separation blade 7 through mounting part demountable installation on mounting panel 6, all install the nut switch 8 that is used for fixed two digging arms to use on first ball joint 1 and the second ball joint 4, the equal fixed mounting of stiff end of main digging arm 2 and vice digging arm 5 has handle 9.

The utility model can adjust the positions of the two groups of blocking pieces 7 according to the field requirement, and lock the blocking pieces through the nut switch 8, thereby improving the convenience and accuracy of the positioning of the operation position, simultaneously changing the opening range along with the change of the operation window, and enabling the movable end of the auxiliary movable arm 5 to control the size of the opening range under the action of the fixed end, thereby solving the problem that the drag hook device can not meet the requirement of the operation, not only increasing the workload of medical personnel, but also influencing the treatment effect of the operation.

The baffle 7 is used for propping open soft tissues, the baffle 7 can be designed into different specifications according to requirements, the initial size of the baffle 7 is a rectangle with the size of 4 x 2cm, and the rectangles with the size of two centimeters increasing to 10 x 8cm, namely 4 x 2cm, 6 x 4cm, 8 x 6cm and 10 x 8 cm.

The utility model provides an automatic retractor which is used for a spinal surgery of passing through a muscular gap approach, the number of operation windows is two, and due to the special anatomical structure of the spinal, the internal views of the operation windows on two sides are consistent.

The automatic draw hook can rotate and draw in all directions in use, has no working dead angle, can be operated simultaneously through multiple windows, reduces the operation time, and is convenient to use and flexible and reliable to operate.

The shape of connecting rod 3 is L form, and two connecting rods 3 are located two main movable arm 2's activity respectively and hold, and two connecting rods 3 use first ball joint 1 to be central line symmetric distribution.

The mounting component comprises a connecting plate 71, the connecting plate 71 is fixed at the bottom of the baffle 7, the connecting plate 71 is fixed on the mounting plate 6 through a screw 72, the baffle 7 on the connecting plate 71 is mounted on the mounting plate 6 through the screw 72, and replacement operation can be completed through dismounting the screw 72.

According to the automatic drag hook, the mounting component is used for mounting the baffle 7 on the mounting plate 6, the detachable mounting mode can facilitate replacement of the baffles 7 with different sizes, convenience in replacement of different baffles 7 can be improved, efficiency in the replacement process is improved, and convenience in the use process of the automatic drag hook is improved to a great extent.

When the device is used, the two main movable arms 2 are movably connected through the first ball joints 1, the two main movable arms 2 are distributed in a scissor manner, the main movable arms 2 in a movable connection state are in a cross type, the movable ends of the main movable arms 2 are respectively connected with the two second ball joints, the two auxiliary movable arms 5 are matched with the second ball joints 4 to realize cross type distribution in the same state, when the fixed ends of the main movable arms 2 are operated, the opening degree between the two second ball joints 4 can be synchronously controlled, the positions of the two groups of blocking pieces 7 can be adjusted according to field requirements, and the blocking pieces are locked through the nut switch 8, so that the accuracy of positioning the operation position is improved;

and two vice digging arms 5 are under the connection of second ball joint 4 and, behind the expansion end of the stiff end connection surgical instruments of vice digging arm 5, can realize automatically that regulation and control props the aperture, the locking of cooperation nut switch 8, can change and prop the scope of opening along with the operation window change, make the expansion end of vice digging arm 5 can control the size of the scope of opening under the action of stiff end, thereby solved the drag hook device and can not satisfied the needs of operation, not only increased medical staff's work load, but also influenced the problem of the treatment effect of operation, and in use can all-round rotation pull, do not have the dead angle of work, many windows simultaneous operation, reduce the operation time, high durability and convenient use, the flexible operation is reliable.

The following embodiments are all realized on the basis of the first embodiment, so that the same parts as the first embodiment will not be discussed in detail, and the following embodiments are merely illustrative of the mounting components of different embodiments.

Example two

FIGS. 3-5 illustrate an embodiment of the present invention: the mounting component comprises a positioning groove 711 arranged on the mounting plate 6, a limiting block 712 is inserted in the positioning groove 711, the top of the limiting block 712 is fixedly connected with the blocking piece 7, one end of the mounting plate 6 is provided with a blocking end cover 713 inserted in the positioning groove 711, the cross section of the positioning groove 711 is in a T shape, the positioning groove 711 is matched with the limiting block 712 in shape and size, the top of the mounting plate 6 is fixedly provided with a permanent magnet 714, the bottom of the blocking piece 7 is fixedly connected with a bottom plate 715, and a magnetic attraction piece 716 corresponding to the permanent magnet 714 is embedded on the bottom plate 715.

When the fixing device is used, the bottom of the blocking piece 7 is connected with the limiting block 712 and is matched with the positioning groove 711 formed in the mounting plate 6, the limiting block 712 is inserted into the positioning groove 711 during installation, the blocking end cover 713 is inserted into the opening end of the positioning groove 711, and the blocking end cover 713 blocks and limits the limiting block 712, so that the convenience and the stability of the mounting of the blocking piece 7 on the mounting plate 6 are improved;

and through fixing permanent magnet 714 on the mounting panel 6 top surface to adopt a bottom plate 715 to fix in the bottom of separation blade 7, peg graft in constant head tank 711 at stopper 712 back, adsorb fixedly mutually through magnetism between the magnetic sheet 716 of absorbing on the bottom plate 715 and the permanent magnet 714, this kind of mode can replace the use that blocks end cover 713, can improve the stability of separation blade 7 simultaneously, avoids separation blade 7 the phenomenon that rocks to appear.

EXAMPLE III

FIG. 6 is an embodiment of the present invention: the mounting component comprises a slot 721 arranged on the mounting plate 6, the baffle 7 is inserted in the slot 721, two magnetic plates 722 are fixedly arranged on the mounting plate 6, the two magnetic plates 722 are respectively positioned on two sides of the inner wall of the slot 721, metal sheets 723 are embedded at the bottoms of two sides of the baffle 7, and the metal sheets 723 correspond to the magnetic plates 722.

This embodiment is when using, all inlays through the bottom in separation blade 7 both sides and establishes a sheetmetal 723, set up a sunken rectangle slot 721 on mounting panel 6 simultaneously, during the installation with the bottom of separation blade 7 peg graft in slot 721, the magnetic sheet 722 on the slot 721 inner wall is fixed through suction and sheetmetal 723 absorption simultaneously, can reach the effect of carrying out quick installation to separation blade 7, can accomplish the installation fixedly with simple direct insertion mode, and upwards apply a pulling force can accomplish when demolising, thereby the convenience of changing to separation blade 7 has been improved.

When the device is used, the two main movable arms 2 are movably connected through the first ball joints 1, the two main movable arms 2 are distributed in a scissor manner, the main movable arms 2 in a movable connection state are in a cross type, the movable ends of the main movable arms 2 are respectively connected with the two second ball joints, the two auxiliary movable arms 5 are matched with the second ball joints 4 to realize cross type distribution in the same state, the opening degree between the two second ball joints 4 can be synchronously controlled when the fixed ends of the main movable arms 2 are operated, the positions of the two groups of blocking pieces 7 can be adjusted according to field requirements, and the blocking pieces are locked through the nut switches 8, so that the convenience and accuracy of positioning the operation position are improved;

The utility model provides an automatic retractor capable of simultaneously exposing two operation windows, and capable of switching the required exposure range at will according to the operation range, thus solving the defects of the existing automatic retractor in all directions, ensuring two operators to perform operations simultaneously and reducing the operation time.

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 various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a pass through automatic drag hook of flesh clearance approach spinal surgery, includes first ball joint (1) and two main movable arms (2), its characterized in that: two main digging arms (2) all are scissors formula and distribute and swing joint through first ball joint (1), the equal fixedly connected with connecting rod (3) of expansion end of two main digging arms (2), the other end of two connecting rod (3) all is connected with second ball joint (4), be equipped with two vice digging arm (5) on second ball joint (4), two vice digging arm (5) are scissors formula and distribute and swing joint through second ball joint (4), the equal fixed mounting of expansion end of two vice digging arm (5) has mounting panel (6), on mounting panel (6) through mounting part demountable installation have separation blade (7), all install nut switch (8) that are used for two fixed digging arms to use on first ball joint (1) and second ball joint (4).

2. The automatic retractor for the spinal surgery through the muscular space approach according to claim 1, characterized in that: the mounting component comprises a connecting plate (71), the connecting plate (71) is fixed at the bottom of the baffle (7), and the connecting plate (71) is fixed on the mounting plate (6) through a screw (72).

3. The automatic retractor for the spinal surgery through the muscular space approach according to claim 1, characterized in that: the connecting rods (3) are L-shaped, the two connecting rods (3) are respectively positioned at the movable ends of the two main movable arms (2), and the two connecting rods (3) are symmetrically distributed by taking the first ball joint (1) as a central line.

4. The automatic retractor for the spinal surgery through the muscular space approach according to claim 1, characterized in that: the mounting component comprises a positioning groove (711) formed in the mounting plate (6), a limiting block (712) is inserted in the positioning groove (711), the top of the limiting block (712) is fixedly connected with the blocking piece (7), and a blocking end cover (713) inserted in the positioning groove (711) is arranged at one end of the mounting plate (6).

5. The automatic retractor for the transmuscular approach spinal surgery according to claim 4, wherein: the cross section of the positioning groove (711) is T-shaped, and the positioning groove (711) is matched with the limiting block (712) in shape and size.

6. The automatic retractor for the spinal surgery through the muscular space approach as claimed in claim 4, wherein: the top of the mounting plate (6) is fixedly provided with a permanent magnet (714), the bottom of the blocking piece (7) is fixedly connected with a bottom plate (715), and a magnetic attraction piece (716) corresponding to the permanent magnet (714) is embedded on the bottom plate (715).

7. The automatic retractor for the spinal surgery through the muscular space approach according to claim 1, characterized in that: the mounting component comprises a slot (721) formed in the mounting plate (6), the blocking piece (7) is inserted into the slot (721), two magnetic plates (722) are fixedly mounted on the mounting plate (6), the two magnetic plates (722) are respectively located on two sides of the inner wall of the slot (721), metal sheets (723) are embedded at the bottoms of two sides of the blocking piece (7), and the metal sheets (723) correspond to the magnetic plates (722).

8. The automatic retractor for the spinal surgery through the muscular space approach according to claim 1, characterized in that: the fixed ends of the main movable arm (2) and the auxiliary movable arm (5) are fixedly provided with handles (9), and the handles (9) are sleeved with protective sleeves made of rubber materials.