CN215129273U - Adjustable posterior spinal surgery retractor - Google Patents
Adjustable posterior spinal surgery retractor Download PDFInfo
- Publication number
- CN215129273U CN215129273U CN202120560056.8U CN202120560056U CN215129273U CN 215129273 U CN215129273 U CN 215129273U CN 202120560056 U CN202120560056 U CN 202120560056U CN 215129273 U CN215129273 U CN 215129273U
- Authority
- CN
- China
- Prior art keywords
- arc
- handle
- pipe
- groove
- ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000001356 surgical procedure Methods 0.000 title claims abstract description 12
- 239000011324 bead Substances 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims 1
- 230000006978 adaptation Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Landscapes
- Surgical Instruments (AREA)
Abstract
Adjustable's way surgery retractor behind backbone, including two grip block devices, every grip block device includes the handle, the arc supporting rod, one side of handle is connected with one side of arc supporting rod, the utility model discloses a first fixed pipe cooperatees with the slide bar, can adjust the length between coupler body and the arc supporting rod, when carrying out the wound expansion, can visit the wound depths with the expansion plate earlier, then promote first fixed pipe downwards according to patient's skin fat thickness condition to let first fixed pipe, the total length adaptation patient's of slide bar skin fat thickness, avoid first fixed pipe and slide bar total length overlength on the one hand, on the other hand can let the coupler body arrive predetermined degree of depth, improves expansion stability.
Description
Technical Field
The utility model relates to a surgical retractor, in particular to an adjustable spinal posterior surgical retractor.
Background
When the posterior spinal surgery is performed, the surgical retractor is generally needed to expand the wound after the surgical site is cut, so that a doctor can perform the surgery on the spinal site conveniently. The existing device for the surgical retractor to penetrate into the wound cannot stretch out and draw back, and the phenomenon of expansion failure easily occurs due to different fat thicknesses of patients. The existing surgical retractor is generally arranged as a single hook, has poor matching strength with skin and is easy to slip.
Disclosure of Invention
The utility model aims at providing an adjustable's backbone way of escape surgery drag hook, can cooperate with the slide bar through fixed pipe, can adjust the length between coupler body and the arc supporting rod, when carrying out the wound expansion, can visit into the wound depths with the expansion plate earlier, then promote fixed pipe downwards according to patient's skin fat thickness condition, thereby let fixed pipe, the total length adaptation patient's of slide bar skin fat thickness, avoid fixed pipe and slide bar total length overlength on the one hand, on the other hand can let the coupler body arrive predetermined degree of depth, improve the expansion stability.
The utility model discloses a realize above-mentioned purpose, realize through following technical scheme:
an adjustable spinal posterior surgical retractor comprises two clamping plate devices, each clamping plate device comprises a handle and an arc clamping rod, one side of the handle is connected with one side of the arc clamping rod, one side of the handle is connected with a handle ring, the two clamping plate devices are positioned on the handle and are mutually hinged with the arc clamping rod connecting part, one end of each arc clamping rod is connected with a telescopic fixing device, the telescopic fixing device comprises a first fixing pipe, a straight line of a central shaft of the first fixing pipe is perpendicular to a straight line of a central shaft of the arc clamping rod, the first fixing pipe is of a tubular structure with one sealed end, the open end of the first fixing pipe is connected with the arc clamping rod, a through hole is formed in the sealed end of the first fixing pipe, a ring groove is formed in the side periphery of the inner wall of the first fixing pipe, the inner diameter of the ring groove is larger than that of the through hole, a sliding rod is inserted into the through hole, one end of the sliding rod is connected with a fixing ring, the fixed ring is located the inside of ring channel, and fixed ring can slide in the inside of ring channel, and fixed ring can not pass the thru hole, and the expansion board is connected to the one end of slide bar, and a coupler body is all connected at the outside both ends of expansion board.
In order to further realize the purpose of the utility model, the technical scheme that a locking device is arranged between the handles of the two clamping plate devices can be adopted, the locking device comprises an arc-shaped plate, the side part of one handle is connected with the arc-shaped plate, one side of the arc-shaped plate is connected with a rack, the central point of the arc-shaped plate is superposed with the central points of the hinged shafts of the two clamping plate devices, the other handle is provided with a through groove, the arc-shaped plate can be in splicing fit with the through groove, a pulling plate is arranged inside the through groove, the middle part of the pulling plate is connected with the inner wall of the through groove through a rotating shaft, one side of the pulling plate is connected with a pressure spring, one end of the pressure spring is connected with the inner wall of the through groove, the pressure spring is in a stretching state, the other side of the pulling plate is connected with a fixed gear and a positioning block, the fixed gear can be meshed with the rack, the side part of the handle is connected with an auxiliary positioning device, the auxiliary positioning device comprises a second fixed pipe, a second fixing pipe is arranged on the second fixing pipe, a second pipe is arranged on the second pipe, a second pipe is arranged between the second pipe, a second pipe, and a second pipe is arranged on the second pipe, a second pipe is arranged on the second pipe, and a second pipe is arranged on the second pipe, and a second pipe is arranged on the second pipe, and a second pipe is arranged on the second pipe, and a second pipe, the second pipe is arranged on the second pipe, and a second pipe, the second pipe, and a second pipe, the second pipe is arranged on the second pipe, and a second pipe, the outside and the handle cooperation of the fixed pipe of second, the push-and-pull rod of pegging graft in the inside of the fixed pipe of second, the one end of push-and-pull rod can cooperate with the locating piece, and the handle is connected to the other end of push-and-pull rod, and the bar groove is seted up to the inboard of the fixed pipe of second, and the bar groove is located the fixed pipe of second and is close to locating piece one side, and the bead is connected to the lateral part of push-and-pull rod, and the bead can be pegged graft with the bar groove and cooperate. The arc-shaped clamping rods are of arc-shaped rod-shaped structures, and the arcs of the arc-shaped clamping rods face outwards.
The utility model has the advantages that: the utility model discloses a first fixed pipe cooperatees with the slide bar, can adjust the length between coupler body and the arc supporting rod, when carrying out the wound expansion, can visit into the wound depths with the expansion plate earlier, then promote first fixed pipe downwards according to patient's skin fat thickness condition, thereby let first fixed pipe, the total length adaptation patient's of slide bar skin fat thickness, avoid first fixed pipe and slide bar total length overlength on the one hand, on the other hand can let the coupler body arrive predetermined degree of depth, improve expansion stability. When the expansion plate is matched with the wound surface, the expansion plate can rotate according to the stress condition, so that the side part of the expansion plate is attached to the wound surface, and the stability of matching with the wound surface is improved. Two hooks on the expansion plate can enable the expansion plate and the wound to have two fixed points simultaneously, and the stability of the expansion plate and the wound fit is improved.
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 serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is one of the schematic structural diagrams of the present invention;
FIG. 2 is an enlarged view of the structure of FIG. 1 from direction A;
FIG. 3 is an enlarged view of the structure of FIG. 2 from the direction B;
fig. 4 is a second schematic structural diagram of the present invention;
fig. 5 is a third schematic structural view of the present invention;
fig. 6 is a schematic view of the enlarged structure in the direction C of fig. 4.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings.
Example 1:
an adjustable posterior spinal surgery retractor is shown in figures 1-6 and comprises two clamping plate devices, each clamping plate device comprises a handle 2 and an arc-shaped clamping rod 3, one side of the handle 2 is connected with one side of the arc-shaped clamping rod 3, one side of the handle 2 is connected with a handle ring 1, the two clamping plate devices are positioned at the connecting part of the handle 2 and the arc-shaped clamping rod 3 and hinged with each other, one end of each arc-shaped clamping rod 3 is connected with a telescopic fixing device, the telescopic fixing device comprises a first fixing tube 4, the straight line of the central axis of the first fixing tube 4 is vertical to the straight line of the central axis of the arc-shaped clamping rod 3, the first fixing tube 4 is of a tubular structure with one end sealed, the open end of the first fixing tube 4 is connected with the arc-shaped through hole 3, the sealed end of the first fixing tube 4 is provided with a through hole 8, the side circumference of the inner wall of the first fixing tube 4 is provided with a ring-shaped groove 7, and the inner diameter of the ring-shaped groove 7 is larger than the inner diameter of 8, the through hole 8 is connected with the sliding rod 6 in an inserted mode, one end of the sliding rod 6 is connected with the fixing ring 5, the fixing ring 5 is located inside the annular groove 7, the fixing ring 5 can slide inside the annular groove 7, the fixing ring 5 cannot penetrate through the through hole 8, one end of the sliding rod 6 is connected with the expansion plate 9, and two ends of the outer side of the expansion plate 9 are connected with the hook body 10.
When spine surgery is performed, a surgical retractor is generally needed to expand a wound after the surgical site is cut, so that a doctor can perform surgery on the spine site conveniently. The existing device for stretching out the wound by the surgical retractor cannot stretch out and draw back, and the phenomenon of expansion failure easily occurs due to different fat thicknesses of patients. The existing surgical retractor is generally arranged as a single hook, has poor matching strength with skin and is easy to slip.
The utility model discloses a first fixed pipe 4 cooperatees with slide bar 6, can adjust the length between coupler body 10 and the arc supporting rod 3, when carrying out the wound expansion, can visit into the wound depths with expansion plate 9 earlier, then promote first fixed pipe 4 downwards according to patient's skin fat thickness condition, thereby let first fixed pipe 4, the total length adaptation patient's of slide bar 6 skin fat thickness, avoid first fixed pipe 4 and 6 total length overlengths of slide bar on the one hand, on the other hand can let coupler body 10 reach predetermined degree of depth, improve expansion stability. When the expansion plate 9 is matched with the wound surface, the expansion plate 9 can rotate according to the stress condition, so that the side part of the expansion plate 9 is attached to the wound surface, and the stability of matching with the wound surface is improved. The two hooks 10 on the expansion board 9 can make the expansion board 9 and the wound have two fixing points at the same time, so that the matching stability of the expansion board 9 and the wound is improved.
Material selection and feasibility analysis of specific implementation of application range: the practical manufactured sample is implemented by taking the specification attached drawing as a drawing according to the proportion and the matching mode of each part in the specification attached drawing, the connection is a common connection mode such as a connection of a strong adhesive, a welding, riveting and a flange connection and an integral forming type connection, and the thickness and the strength of a corresponding connection mode connection point can be selected without creativity according to the requirement of practical connection strength during practical manufacturing.
Example 2:
an adjustable posterior spinal surgery retractor is shown in figures 1-6 and comprises two clamping plate devices, each clamping plate device comprises a handle 2 and an arc-shaped clamping rod 3, one side of the handle 2 is connected with one side of the arc-shaped clamping rod 3, one side of the handle 2 is connected with a handle ring 1, the two clamping plate devices are positioned at the connecting part of the handle 2 and the arc-shaped clamping rod 3 and hinged with each other, one end of each arc-shaped clamping rod 3 is connected with a telescopic fixing device, the telescopic fixing device comprises a first fixing tube 4, the straight line of the central axis of the first fixing tube 4 is vertical to the straight line of the central axis of the arc-shaped clamping rod 3, the first fixing tube 4 is of a tubular structure with one end sealed, the open end of the first fixing tube 4 is connected with the arc-shaped through hole 3, the sealed end of the first fixing tube 4 is provided with a through hole 8, the side circumference of the inner wall of the first fixing tube 4 is provided with a ring-shaped groove 7, and the inner diameter of the ring-shaped groove 7 is larger than the inner diameter of 8, the through hole 8 is connected with the sliding rod 6 in an inserted mode, one end of the sliding rod 6 is connected with the fixing ring 5, the fixing ring 5 is located inside the annular groove 7, the fixing ring 5 can slide inside the annular groove 7, the fixing ring 5 cannot penetrate through the through hole 8, one end of the sliding rod 6 is connected with the expansion plate 9, and two ends of the outer side of the expansion plate 9 are connected with the hook body 10. A locking device is arranged between the handles 2 of the two clamping plate devices and comprises arc plates 11, the side part of one handle 2 is connected with the arc plate 11, one side of the arc plate 11 is connected with a rack 13, the center point of the arc where the arc plate 11 is located is superposed with the center points of the hinging shafts of the two clamping plate devices, the other handle 2 is provided with a through groove 12, the arc plate 11 can be in inserted fit with the through groove 12, a pulling plate 22 is arranged inside the through groove 12, the middle part of the pulling plate 22 is connected with the inner wall of the through groove 12 through a rotating shaft, one side of the pulling plate 22 is connected with a pressure spring 21, one end of the pressure spring 21 is connected with the inner wall of the through groove 12, the pressure spring 21 is in a stretching state, the other side of the pulling plate 22 is connected with a fixed tooth 14 and a positioning block 15, the pulling tooth 14 can be meshed with the rack 13, the side part of the handle 2 is connected with an auxiliary positioning device, and the auxiliary positioning device comprises a second fixed pipe 18, The outer side of the second fixing pipe 18 is matched with the handle 2, the push-pull rod 19 is inserted into the second fixing pipe 18, one end of the push-pull rod 19 can be matched with the positioning block 15, the other end of the push-pull rod 19 is connected with the handle 20, a strip-shaped groove 17 is formed in the inner side of the second fixing pipe 18, the strip-shaped groove 17 is located on one side, close to the positioning block 15, of the second fixing pipe 18, the convex edge 16 is connected to the side portion of the push-pull rod 19, and the convex edge 16 can be inserted into the strip-shaped groove 17 to be matched.
The locking device of the utility model can utilize the pressure spring 21 to pull the trigger plate 22 in the opening process of the two arc-shaped clamping rods 3, thereby driving the fixed teeth 14 to keep combining with the rack 13, when the operator pushes the two handles 2 to approach each other, the fixed teeth 14 can slide along the rack 13 without being locked, when the two arc-shaped clamping rods 3 are opened to a proper angle, the two arc-shaped clamping rods 3 receive the force for reducing the opening angle, at the moment, the fixed teeth 14 can block the rack 13, the reduction of the opening angle of the two arc-shaped clamping rods 3 is avoided, when the operation is performed, the user can push the push-pull rod 19 to slide, and further drive the convex edge 16 and the strip-shaped groove 17 to break away from the splicing fit, at the moment, the push-pull rod 19 is matched with the positioning block 15, the rack 13 and the fixed teeth 14 are prevented from being disengaged, then the push-pull rod 19 is rotated, the length direction of the convex edge 16 and the strip-shaped groove 17 are not on the same straight line any more, at this time, the rib 16 can be engaged with one side edge of the second fixing tube 18, so that the push-pull rod 19 and the positioning block 15 are kept engaged.
Example 3:
an adjustable posterior spinal surgery retractor is shown in figures 1-6 and comprises two clamping plate devices, each clamping plate device comprises a handle 2 and an arc-shaped clamping rod 3, one side of the handle 2 is connected with one side of the arc-shaped clamping rod 3, one side of the handle 2 is connected with a handle ring 1, the two clamping plate devices are positioned at the connecting part of the handle 2 and the arc-shaped clamping rod 3 and hinged with each other, one end of each arc-shaped clamping rod 3 is connected with a telescopic fixing device, the telescopic fixing device comprises a first fixing tube 4, the straight line of the central axis of the first fixing tube 4 is vertical to the straight line of the central axis of the arc-shaped clamping rod 3, the first fixing tube 4 is of a tubular structure with one end sealed, the open end of the first fixing tube 4 is connected with the arc-shaped through hole 3, the sealed end of the first fixing tube 4 is provided with a through hole 8, the side circumference of the inner wall of the first fixing tube 4 is provided with a ring-shaped groove 7, and the inner diameter of the ring-shaped groove 7 is larger than the inner diameter of 8, the through hole 8 is connected with the sliding rod 6 in an inserted mode, one end of the sliding rod 6 is connected with the fixing ring 5, the fixing ring 5 is located inside the annular groove 7, the fixing ring 5 can slide inside the annular groove 7, the fixing ring 5 cannot penetrate through the through hole 8, one end of the sliding rod 6 is connected with the expansion plate 9, and two ends of the outer side of the expansion plate 9 are connected with the hook body 10. The arc-shaped clamping rods 3 are of arc-shaped rod-shaped structures, and the direction of arcs of the arc-shaped clamping rods 3 faces towards the outside.
The utility model discloses a direction of 3 arcs of arc supporting rod can conveniently carry out wound expansion in-process doctor and observe towards the outside.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention.
Claims (3)
1. Adjustable's posterior spinal surgery retractor, its characterized in that: comprises two clamping plate devices, each clamping plate device comprises a handle (2) and an arc clamping rod (3), one side of the handle (2) is connected with one side of the arc clamping rod (3), one side of the handle (2) is connected with a handle ring (1), the two clamping plate devices are positioned at the connecting parts of the handle (2) and the arc clamping rods (3) and are hinged with each other, one end of each arc clamping rod (3) is connected with a telescopic fixing device, the telescopic fixing device comprises a first fixing pipe (4), the straight line of the central axis of the first fixing pipe (4) is vertical to the straight line of the central axis of the arc clamping rods (3), the first fixing pipe (4) is of a tubular structure with one sealed end, the open end of the first fixing pipe (4) is connected with the arc clamping rods (3), the sealed end of the first fixing pipe (4) is provided with a through hole (8), the side periphery of the inner wall of the first fixing pipe (4) is provided with a ring-shaped groove (7), the internal diameter of ring channel (7) is greater than the internal diameter of thru hole (8), peg graft slide bar (6) on thru hole (8), solid fixed ring (5) are connected to the one end of slide bar (6), gu fixed ring (5) are located the inside of ring channel (7), gu fixed ring (5) can slide in the inside of ring channel (7), gu fixed ring (5) can not pass thru hole (8), expansion board (9) is connected to the one end of slide bar (6), a hook body (10) is all connected at the outside both ends of expansion board (9).
2. The adjustable posterior spinal surgical retractor according to claim 1, wherein: a locking device is arranged between handles (2) of the two clamping plate devices, the locking device comprises arc plates (11), the side part of one handle (2) is connected with the arc plates (11), one side of each arc plate (11) is connected with a rack (13), the central point of the arc where the arc plates (11) are located coincides with the central points of hinged shafts of the two clamping plate devices, the other handle (2) is provided with a through groove (12), the arc plates (11) can be in plug fit with the through grooves (12), a pulling plate (22) is arranged inside the through grooves (12), the middle part of the pulling plate (22) is connected with the inner wall of the through groove (12) through a rotating shaft, one side of the pulling plate (22) is connected with a pressure spring (21), one end of the pressure spring (21) is connected with the inner wall of the through groove (12), the pressure spring (21) is in a stretching state, the other side of the pulling plate (22) is connected with a fixed tooth (14) and a positioning block (15), fixed tooth (14) can mesh with rack (13), and auxiliary positioning device is connected to the lateral part of handle (2), auxiliary positioning device includes the outside and handle (2) cooperation of the fixed pipe of second (18), the inside grafting push-and-pull rod (19) of the fixed pipe of second (18), the one end of push-and-pull rod (19) can cooperate with locating piece (15), handle (20) are connected to the other end of push-and-pull rod (19), bar groove (17) are seted up to the inboard of the fixed pipe of second (18), bar groove (17) are located the fixed pipe of second (18) and are close to locating piece (15) one side, bead (16) are connected to the lateral part of push-and-pull rod (19), bead (16) can be pegged graft with bar groove (17) and cooperate.
3. The adjustable posterior spinal surgical retractor according to claim 1, wherein: the arc-shaped clamping rods (3) are of arc-shaped rod-shaped structures, and the arcs of the arc-shaped clamping rods (3) face outwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120560056.8U CN215129273U (en) | 2021-03-18 | 2021-03-18 | Adjustable posterior spinal surgery retractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120560056.8U CN215129273U (en) | 2021-03-18 | 2021-03-18 | Adjustable posterior spinal surgery retractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215129273U true CN215129273U (en) | 2021-12-14 |
Family
ID=79351210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120560056.8U Expired - Fee Related CN215129273U (en) | 2021-03-18 | 2021-03-18 | Adjustable posterior spinal surgery retractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215129273U (en) |
-
2021
- 2021-03-18 CN CN202120560056.8U patent/CN215129273U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10653421B2 (en) | Insertion aid with interference fit | |
| US5352219A (en) | Modular tools for laparoscopic surgery | |
| US5217468A (en) | Tissue encapsulating sheath | |
| US2434030A (en) | Sutureless method of rectosigmoid anastomosis and apparatus therefor | |
| US20120123457A1 (en) | Anvil Delivery Device Accessory | |
| US20010002437A1 (en) | Reusable laparoscopic retrieval pouchtitle | |
| EP0173736A1 (en) | Suturing assembly and method | |
| JP2012527930A (en) | Laparoscopic access port and port sleeve placement | |
| CN1081351A (en) | Membrane endoscopic retractor | |
| GB2460099A (en) | Detachable pouch device for loading human tissue during laparoscopic surgery | |
| JP2013544554A (en) | Method and apparatus for guiding a suture | |
| CN215129273U (en) | Adjustable posterior spinal surgery retractor | |
| CN107224660A (en) | A kind of assistive device for anal-surgery | |
| CN108903993B (en) | Surgical incision closure device | |
| CN209136742U (en) | Hemorrhoid anastomat | |
| CN206403835U (en) | Foreskin rifle with assembling-disassembling type glans penis cover | |
| CN215129371U (en) | Matched clamping and taking-out suit | |
| CN212382680U (en) | Guide piece and circular tube type anastomat | |
| CN211300120U (en) | Tendon guide forceps | |
| CN118370573B (en) | Aortic proximal anastomosis auxiliary system | |
| CN213787605U (en) | Anastomotic assistor | |
| CN110755139A (en) | Clamp type pericardium puncture device | |
| CN218870381U (en) | Medical auxiliary tool and medical auxiliary system | |
| CN220158345U (en) | Detachable laparoscopic surgical instrument | |
| CN205286518U (en) | Rectum auxiliary devices that turns up |
Legal Events
| 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: 20211214 |