CN211094373U - Pulling-hook opening device for spinal surgery - Google Patents
Pulling-hook opening device for spinal surgery Download PDFInfo
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- CN211094373U CN211094373U CN201922098160.5U CN201922098160U CN211094373U CN 211094373 U CN211094373 U CN 211094373U CN 201922098160 U CN201922098160 U CN 201922098160U CN 211094373 U CN211094373 U CN 211094373U
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- hook
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Abstract
The utility model provides a draw and collude distraction device for vertebra operation belongs to medical instrument technical field. The pulling and hooking distraction device for the spinal surgery comprises a support structure, a mounting piece and a distraction mechanism. The utility model discloses a support structure, including bearing structure, supporting part, first fixed block, expansion part, second threaded rod, connecting rod, supporting structure includes extensible member, scute and adjusting part, the scute is provided with two, the installed part includes first fixed block first cavity and second cavity have been seted up to the inside both sides of first fixed block, first fixed block is fixed extensible member with adjusting part's tip, distraction mechanism includes first threaded rod, second threaded rod, connecting rod and second fixed block, the connecting rod is fixed respectively first slider with the bottom of second slider, the second fixed block is fixed the tip of connecting rod, the bottom of second fixed block is pegged graft and is fixed with the drag hook. The utility model discloses be convenient for carry out position control, improved application range, use more nimble convenience.
Description
Technical Field
The utility model relates to the field of medical equipment, particularly, relate to a draw and collude distraction device for vertebra operation.
Background
Medical equipment refers to instruments, devices, appliances, materials or other items used alone or in combination in the human body, and also includes required software. The medical equipment is the most basic element of medical treatment, scientific research, teaching, institutions and clinical discipline work, namely professional medical equipment and household medical equipment.
At present, the existing pulling hook distraction device for the spinal surgery is inconvenient to adjust in use and is relatively inflexible in use.
SUMMERY OF THE UTILITY MODEL
In order to remedy the above deficiency, the utility model provides a draw and collude distraction device for spinal surgery aims at improving the draw and collude distraction device for spinal surgery, is not convenient for adjust when using, uses the problem of not enough flexibility relatively.
The utility model discloses a realize like this:
the utility model provides a draw and collude distraction device for spinal surgery, which comprises a supporting structure, an installation part and a distraction mechanism.
The supporting structure comprises two angle plates and two adjusting components, the two angle plates are respectively fixed on one side of the top surface of the angle plate, the mounting component comprises a first fixing block, a first cavity and a second cavity are formed in two sides of the interior of the first fixing block, the first fixing block is fixed at the end parts of the angle plates and the adjusting components, the opening mechanism comprises a first threaded rod, a second threaded rod, a connecting rod and a second fixing block, the two connecting rods are arranged, the first threaded rod and the second threaded rod are respectively connected in the first cavity and the second cavity in a rotating mode, the outer surfaces of the first threaded rod and the second threaded rod are respectively screwed with a first sliding block and a second sliding block, and the connecting rod is respectively fixed at the bottoms of the first sliding block and the second sliding block, the second fixed block is fixed at the end part of the connecting rod, and the bottom of the second fixed block is fixedly provided with a drag hook in an inserting way.
In an embodiment of the present invention, the telescopic member includes a first sleeve and a support rod, the end of the first sleeve is fixed to the top surface of the angle plate, the support rod is slidably connected to the inside of the first sleeve, the top surface of the support rod is fixed to the bottom of the first fixing block, and a locking member is fixed to one side of the first sleeve.
The utility model discloses an in an embodiment, retaining member includes fixed column, screw thread post and first rotating part, the fixed column is fixed first telescopic one side surface, the screw thread post spiro union is in the inside of fixed column, the tip of screw thread post runs through first sleeve, the tip of screw thread post with the surface of bracing piece is hugged closely, first rotating part key-type connection is in the other end of screw thread post.
The utility model discloses an in one embodiment, first telescopic upper end internal surface is fixed with the stopper, the surface of bracing piece seted up with stopper assorted spacing groove.
The utility model discloses an in one embodiment, the adjusting part includes second sleeve, reference column, rack and gear, the second sleeve is fixed top surface one side of scute, the reference column sliding connection be in the telescopic inside of second, the rack is fixed bottom one side of reference column, gear revolve connects and is in the telescopic inside of second, one side of gear is fixed with the second rotating part through the pin rod, the second rotating part is located the telescopic outside of second.
The utility model discloses an in the embodiment, first cavity with the bottom of second cavity is seted up with first slider assorted and second spout.
In an embodiment of the present invention, the ends of the first threaded rod and the second threaded rod respectively penetrate through the first cavity and the second cavity, and the equal key connection of the ends of the first threaded rod and the second threaded rod is provided with a rotating member.
In an embodiment of the present invention, a clamping groove matched with the end of the retractor is formed at the bottom of the second fixing block.
In an embodiment of the present invention, the fixing member is penetrated through the outer surface of the clamping groove, the end portion screw joint of the fixing member is penetrated through the drag hook, and the end portion screw joint of the fixing member is in the inner surface of the clamping groove.
In an embodiment of the present invention, the number of the drag hooks is at least six, and the six drag hooks are arranged at equal intervals.
The utility model has the advantages that: the utility model discloses a draw and collude distraction device for vertebra operation that above-mentioned design obtained, can make first slider and second slider carry out the adjustment of relative position through rotating first threaded rod and second threaded rod, thereby drive connecting rod and drag hook and carry out position control, can make things convenient for the drag hook to strut the processing to the operation mouth of different positions like this, the flexibility of use is improved, strut the operation through rotating first threaded rod and second threaded rod simultaneously, operate simpler, then carry out the dismouting to the drag hook through the mounting, can increase or reduce the quantity of drag hook, thereby the convenience struts the operation wound of equidimension not, the application range of distraction device is improved, thereby also can improve and use more nimble.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a front view structural schematic diagram of a hook spreader for spinal surgery according to an embodiment of the present invention;
fig. 2 is a schematic front sectional view of the hook opening device for spinal surgery according to the embodiment of the present invention;
fig. 3 is a schematic top view of the hook opening device for spinal surgery according to the embodiment of the present invention;
fig. 4 is a schematic view of a three-dimensional structure of a connecting rod of a hook spreader for spinal surgery according to an embodiment of the present invention;
fig. 5 is a schematic side view of a cross-sectional structure of a connecting rod of a hook spreader for spinal surgery according to an embodiment of the present invention;
fig. 6 is an enlarged view of a portion a in fig. 2 according to the present invention.
In the figure: 200-a support structure; 210-a telescoping member; 211-a first sleeve; 2111-stop block; 212-a support bar; 2121-a limiting groove; 230-a retaining member; 231-fixed columns; 232-threaded post; 234 — first rotating part; 240-corner panels; 250-an adjustment assembly; 251-a second sleeve; 252-a locating post; 253-a rack; 254-gear; 255-a second rotating part; 300-a mount; 310-a first fixed block; 320-a first cavity; 321-a first chute; 330-a second cavity; 331-a second chute; 400-a distraction mechanism; 410-a first threaded rod; 411-first slider; 420-a second threaded rod; 421-a second slider; 430-a rotating member; 440-a connecting rod; 450-a second fixed block; 460-pulling the hook; 470-a fixing member; 480-card slot.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are 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.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Examples
Referring to fig. 1-6, the present invention provides a technical solution: a hook distraction device for spinal surgery includes a support structure 200, a mounting member 300, and a distraction mechanism 400.
Referring to fig. 1 and 2, the supporting structure 200 includes two telescoping members 210, two angle plates 240, and an adjusting assembly 250, wherein the telescoping members 210 and the adjusting assembly 250 are respectively fixed to the top side of the angle plates 240.
The telescopic member 210 comprises a first sleeve 211 and a support rod 212, the end of the first sleeve 211 is fixed on the top surface of the angle plate 240, the support rod 212 is slidably connected inside the first sleeve 211, the top surface of the support rod 212 is fixed on the bottom of the first fixing block 310, a locking member 230 is fixed on one side of the first sleeve 211, and the first sleeve 211 and the support rod 212 are arranged to facilitate telescopic movement and height support; retaining member 230 includes fixed column 231, screw thread post 232 and first rotating part 234, one side surface at first sleeve 211 is fixed to fixed column 231, screw thread post 232 spiro union is in the inside of fixed column 231, first sleeve 211 is run through to the tip of screw thread post 232, the tip of screw thread post 232 is hugged closely with the surface of bracing piece 212, first rotating part 234 key-type connects the other end at screw thread post 232, first rotating part 234 is the twist grip, rotate screw thread post 232 through first rotating part 234 and make screw thread post 232 and bracing piece 212's surface emergence extrusion, the convenience is fixed the bracing piece 212, the stability of using is improved.
The limiting block 2111 is fixed to the inner surface of the upper end of the first sleeve 211, the limiting groove 2121 matched with the limiting block 2111 is formed in the outer surface of the supporting rod 212, and the limiting block 2111 and the limiting groove 2121 are arranged to prevent the supporting rod 212 from being separated from the depth range of the first sleeve 211 to affect use.
The adjusting assembly 250 comprises a second sleeve 251, a positioning column 252, a rack 253 and a gear 254, the second sleeve 251 is fixed on one side of the top surface of the angle plate 240, the positioning column 252 is slidably connected inside the second sleeve 251, the rack 253 is fixed on one side of the bottom of the positioning column 252, the gear 254 is rotatably connected inside the second sleeve 251, one side of the gear 254 is fixed with a second rotating part 255 through a pin rod, the second rotating part 255 is a rotating handle, the second rotating part 255 is located outside the second sleeve 251, the gear 254 is driven to rotate through the second rotating part 255, the rack 253 is extended upwards, the height of the expanding device can be conveniently adjusted in a lifting mode, and the expanding device is more flexible and convenient to use.
Referring to fig. 1 to 3, the mounting member 300 includes a first fixing block 310, and a first cavity 320 and a second cavity 330 are formed at two sides of the interior of the first fixing block 310, and the first fixing block 310 is fixed at the end portions of the telescopic member 210 and the adjusting assembly 250.
The bottom of the first cavity 320 and the second cavity 330 is provided with a first sliding groove 321 and a second sliding groove 331 which are matched with the first sliding block 411 and the second sliding block 421, and the first sliding groove 321 and the second sliding groove 331 are arranged to conveniently limit the first sliding block 411 and the second sliding block 421, so that the first sliding block 411 and the second sliding block 421 can move back and forth on the surfaces of the first threaded rod 410 and the second threaded rod 420.
Referring to fig. 1 to 6, the spreading mechanism 400 includes a first threaded rod 410, a second threaded rod 420, a connecting rod 440 and a second fixing block 450, the number of the connecting rods 440 is two, the first threaded rod 410 and the second threaded rod 420 are respectively rotatably connected inside the first cavity 320 and the second cavity 330, ends of the first threaded rod 410 and the second threaded rod 420 are respectively connected with bearings in an interference manner, the bearings are respectively embedded inside the first cavity 320 and the second cavity 330, so that the first threaded rod 410 and the second threaded rod 420 can rotate, outer surfaces of the first threaded rod 410 and the second threaded rod 420 are respectively screwed with a first slider 411 and a second slider 421, the connecting rod 440 is respectively fixed at bottoms of the first slider 411 and the second slider 421, the second fixing block 450 is fixed at an end of the connecting rod 440, and a hook 460 is fixedly inserted at a bottom of the second fixing block 450.
The ends of the first threaded rod 410 and the second threaded rod 420 respectively penetrate through the first cavity 320 and the second cavity 330, the equal key connection of the ends of the first threaded rod 410 and the second threaded rod 420 is provided with a rotating part 430, the rotating part 430 is a handle, and the first threaded rod 410 or the second threaded rod 420 is conveniently driven to rotate through the rotating part 430.
The bottom of the second fixed block 450 is provided with a clamping groove 480 matched with the end part of the draw hook 460; a fixing piece 470 penetrates through the outer surface of the clamping groove 480, the fixing piece 470 is a bolt, the end part of the fixing piece 470 is in threaded connection with the through drag hook 460, and the end part of the fixing piece 470 is in threaded connection with the inner surface of the clamping groove 480; drag hook 460 is provided with six at least, and six institute's drag hook 460 is the equidistance interval setting, fixes a position drag hook 460 through draw-in groove 480, then fixes drag hook 460 through mounting 470, can conveniently dismantle drag hook 460 like this, is convenient for strut the use to the operation wound of equidimension not, and it is nimble convenient more to operate.
Specifically, this a draw and collude distraction device for vertebra operation's theory of operation: when the angle plate 240 is used, the angle plate 240 is respectively placed at two sides of the body of a patient according to the specific position of the surgical wound of the patient, then the rotating part 430 respectively rotates the first threaded rod 410 and the second threaded rod 420, so that the first sliding block 411 and the second sliding block 421 move, the position of the draw hook 460 at the bottom of the connecting rod 440 is changed, at this time, when the draw hook 460 is positioned right above the wound, the rotation is stopped, then the gear 254 is driven to rotate by the second rotating part 255 according to the fat and thin condition of the body of the patient, so that the rack 253 meshed with the gear 254 and the supporting rod 212 move downwards at the same time, so that the draw hook 460 is inserted into the wound, at this time, the threaded column 232 is driven to rotate by the first rotating part 234, the threaded column 232 is extruded with the surface of the supporting rod 212, so as to fix the supporting rod 212, at this time, the first, make first slider 411 and second slider 421 remove, strut the wound, can make things convenient for the later stage to perform the operation more like this.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. 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 (10)
1. A draw hook distraction device for spinal surgery is characterized by comprising
The supporting structure (200) comprises two telescopic pieces (210), two corner plates (240) and two adjusting assemblies (250), wherein the telescopic pieces (210) and the adjusting assemblies (250) are respectively fixed on one sides of the top surfaces of the corner plates (240);
the mounting piece (300) comprises a first fixing block (310), a first cavity (320) and a second cavity (330) are formed in two sides of the interior of the first fixing block (310), and the first fixing block (310) is fixed to the end portions of the telescopic piece (210) and the adjusting assembly (250);
strut mechanism (400), strut mechanism (400) includes first threaded rod (410), second threaded rod (420), connecting rod (440) and second fixed block (450), connecting rod (440) is provided with two, first threaded rod (410) with second threaded rod (420) rotate respectively and connect first cavity (320) with the inside of second cavity (330), first threaded rod (410) with the surface of second threaded rod (420) spiro union respectively has first slider (411) and second slider (421), connecting rod (440) are fixed respectively first slider (411) with the bottom of second slider (421), second fixed block (450) are fixed the tip of connecting rod (440), the bottom grafting of second fixed block (450) is fixed with drag hook (460).
2. The hook spreading device for spinal surgery according to claim 1, wherein the telescopic member (210) comprises a first sleeve (211) and a support rod (212), the end of the first sleeve (211) is fixed on the top surface of the angle plate (240), the support rod (212) is slidably connected inside the first sleeve (211), the top surface of the support rod (212) is fixed on the bottom of the first fixing block (310), and a locking member (230) is fixed on one side of the first sleeve (211).
3. The pulling hook spreading device for the spine surgery according to claim 2, wherein the locking member (230) comprises a fixing column (231), a threaded column (232) and a first rotating part (234), the fixing column (231) is fixed on one side of the outer surface of the first sleeve (211), the threaded column (232) is screwed inside the fixing column (231), the end of the threaded column (232) penetrates through the first sleeve (211), the end of the threaded column (232) is tightly attached to the surface of the support rod (212), and the first rotating part (234) is connected to the other end of the threaded column (232) in a key mode.
4. The pulling hook strutting arrangement for spinal surgery as claimed in claim 2, characterized in that the upper end inner surface of the first sleeve (211) is fixed with a limiting block (2111), and the outer surface of the support rod (212) is provided with a limiting groove (2121) matched with the limiting block (2111).
5. The hook spreading device for spinal surgery according to claim 1, wherein the adjusting assembly (250) comprises a second sleeve (251), a positioning post (252), a rack (253) and a gear (254), the second sleeve (251) is fixed on one side of the top surface of the angle plate (240), the positioning post (252) is slidably connected inside the second sleeve (251), the rack (253) is fixed on one side of the bottom of the positioning post (252), the gear (254) is rotatably connected inside the second sleeve (251), one side of the gear (254) is fixed with a second rotating part (255) through a pin, and the second rotating part (255) is located outside the second sleeve (251).
6. The pulling hook spreading device for the spinal surgery according to claim 1, wherein the bottom of the first cavity (320) and the second cavity (330) is provided with a first sliding groove (321) and a second sliding groove (331) which are matched with the first sliding block (411) and the second sliding block (421).
7. The pulling hook spreading device for spinal surgery according to claim 1, wherein the ends of the first threaded rod (410) and the second threaded rod (420) respectively penetrate the first cavity (320) and the second cavity (330), and the ends of the first threaded rod (410) and the second threaded rod (420) are keyed with a rotating member (430).
8. The pulling hook spreading device for the spinal surgery as recited in claim 1, characterized in that the bottom of the second fixed block (450) is provided with a slot (480) matching with the end of the pulling hook (460).
9. The hook spreader for spinal surgery as claimed in claim 8, wherein a fixing member (470) is penetrated through the outer surface of the slot (480), the end of the fixing member (470) is screwed through the hook (460), and the end of the fixing member (470) is screwed on the inner surface of the slot (480).
10. The retractor spreader device of claim 1 wherein there are at least six of said hooks (460), and the six hooks (460) are equally spaced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922098160.5U CN211094373U (en) | 2019-11-28 | 2019-11-28 | Pulling-hook opening device for spinal surgery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922098160.5U CN211094373U (en) | 2019-11-28 | 2019-11-28 | Pulling-hook opening device for spinal surgery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211094373U true CN211094373U (en) | 2020-07-28 |
Family
ID=71712976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922098160.5U Expired - Fee Related CN211094373U (en) | 2019-11-28 | 2019-11-28 | Pulling-hook opening device for spinal surgery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211094373U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113633328A (en) * | 2021-08-13 | 2021-11-12 | 中国人民解放军陆军军医大学第一附属医院 | Multifunctional abdominal wound operation medical device |
-
2019
- 2019-11-28 CN CN201922098160.5U patent/CN211094373U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113633328A (en) * | 2021-08-13 | 2021-11-12 | 中国人民解放军陆军军医大学第一附属医院 | Multifunctional abdominal wound operation medical device |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200728 Termination date: 20211128 |