CN202589635U - Improved structure for minimally invasive surgery fixed connecting rod clamping device - Google Patents
Improved structure for minimally invasive surgery fixed connecting rod clamping device Download PDFInfo
- Publication number
- CN202589635U CN202589635U CN2012202355245U CN201220235524U CN202589635U CN 202589635 U CN202589635 U CN 202589635U CN 2012202355245 U CN2012202355245 U CN 2012202355245U CN 201220235524 U CN201220235524 U CN 201220235524U CN 202589635 U CN202589635 U CN 202589635U
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- fluted disc
- minimally invasive
- invasive surgery
- clamper
- 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
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
- A61B17/7074—Tools specially adapted for spinal fixation operations other than for bone removal or filler handling
- A61B17/7083—Tools for guidance or insertion of tethers, rod-to-anchor connectors, rod-to-rod connectors, or longitudinal elements
- A61B17/7085—Tools for guidance or insertion of tethers, rod-to-anchor connectors, rod-to-rod connectors, or longitudinal elements for insertion of a longitudinal element down one or more hollow screw or hook extensions, i.e. at least a part of the element within an extension has a component of movement parallel to the extension's axis
Abstract
The utility model relates to an improved structure for a minimally invasive surgery fixed connecting rod clamping device, which is particularly characterized in that the proper angle between a handle and a bent lever is regulated through an adjustable joint module, a sheathing and connecting rod and a positioning rod are matched for simultaneously clamping a fixed connecting rod structure comprising a rigid sleeve and a soft connecting rod, the special simple operation steps of the clamping device are utilized for stably clamping the rigid sleeve and the soft connecting rod and combining, embedding and installing the rigid sleeve and the soft connecting rod to a position between bone nail bodies, and meanwhile, the opening area of the wound is effectively reduced in the surgery process.
Description
Technical field
This utility model for through adjustable joint module, is adjusted the suitable angle between handle and curved bar about a kind of structure of Minimally Invasive Surgery stationary links clamper of improvement, firm clamping rigid sleeve and soft connecting rod, and correct combination is embedded between nail.
Background technology
Existing connecting rod clamper structure; For adopting fixed angle structural design, insert in the process in the operation stationary links, be easy to generate and the human body back interference; And then the carrying out of influence operation; And the clamping device volume of front end can't effectively dwindle, and causes the wound site area to increase, after the influence operation more.
The shortcoming of the maximum of above-mentioned existing connecting rod clamper structure is:
1. adopt fixed angle design, be easy to generate interference in the use.
2. the clamping device volume is bigger, can't effectively dwindle the area of wound.
Aforementioned mentioned about existing connecting rod clamper structure; Although can reach the stationary links clamping insert should possess generally location basic demand and effect to vertebrae; But on the medical operating application in industry specificities such as the angle adjustment elasticity when practical application, the downsizing of clamping device, clamping steadiness and postoperative status recovery; All exist under many shortcomings and the insufficient situation, can't bring into play industrial applicability more specifically.
In sum, because existing connecting rod clamper structure exists above-mentioned disappearance with not enough; Under the future trend prerequisite based on industrial progress; Really be necessary to propose concrete improvement scheme, required to meet industrial progress, further more technical selection is provided for industry.
The utility model content
This utility model is to solve the aspect insufficient shortcomings such as medical operating application in industry specificity such as downsizing, clamping steadiness and postoperative status recovery of existing connecting rod clamper structural design at angle adjustment elasticity, clamping device; And the problem that is restricted at aspects such as practicability technology; Reaching through the adjustable angle structure on the one hand; Generation is avoided producing the concrete effect of interfering with human body back; Outside the treatment that different vertebrae clinical cases are provided and the diversified angle accommodation of correcting rehabilitation; Effectively dwindling the clamping device volume of clamper front end on the other hand, with reach the stationary links clamping insert should possess outside the general location basic demand and effect vertebrae, and make its practical development that has the medical operating industrial applicability concurrently and requirement.
The structure of the Minimally Invasive Surgery stationary links clamper of the improvement of this utility model is set up fixed structure for a kind of through rigid sleeve and the bonded stagewise of soft connecting rod, produces perfect rigidity and pins down the effect that pins down with part elasticity.
In order to reach above-mentioned purpose and function, a kind of structure of Minimally Invasive Surgery stationary links clamper of improvement comprises:
One handle;
One joint module has first fluted disc and one second fluted disc of tabling, and this first fluted disc is connected with handle;
One curved bar is connected with second fluted disc of joint module;
One sleeving connecting rod is connected with this curved bar, and is provided with a sleeve joint hole and a perforating, and this sleeve joint hole is vertical with perforating to connect, and this sleeve joint hole is provided with a female thread near a side of curved bar.
A positioning rod has a swivel head and a latch, and this locating rod is provided with an external screw thread in the side near swivel head, and this external screw thread spiral shell is located at the female thread of sleeve joint hole.
Preferably, above-mentioned this handle and curved bar articulate with first fluted disc and one second fluted disc of joint module respectively each other.
Preferably, the swivel head of above-mentioned this locating rod further is provided with an interior hexagonal and holds the hole.
The concrete characteristics and the effect of the structure of the Minimally Invasive Surgery stationary links clamper of the improvement of this utility model are:
1. adopt the design of angle adjustable formula, can not produce interference in the use.
2. angle adjustment tool multistage trace function uses elasticity significantly to increase.
3. the clamping device volume is less, can effectively dwindle the area of wound.
4. clamping device firmly grips connecting rod, is difficult for getting loose or being out of shape.
Description of drawings
This utility model above-mentioned and/or additional aspect and advantage from obviously with easily understanding becoming the description of embodiment, wherein below in conjunction with accompanying drawing:
Fig. 1 is this utility model one embodiment connecting rod clamper STRUCTURE DECOMPOSITION sketch map.
Fig. 2 cuts open sketch map for this utility model one embodiment connecting rod clamper combination side.
Fig. 3 makes up cross-sectional sketch map for this utility model one embodiment connecting rod clamper.
Fig. 4 is this utility model one embodiment stationary links clamping sketch map ().
Fig. 5 is this utility model one embodiment stationary links clamping sketch map (two).
Fig. 6 is this utility model one embodiment stationary links clamping sketch map (three).
The primary clustering symbol description
(1) handle
(2) joint module
(21) first fluted discs (22) second fluted discs
(3) curved bar
(4) sleeving connecting rod
(41) sleeve joint hole (411) female thread
(42) perforating
(5) locating rod
(51) the interior hexagonal of swivel head (511) is held the hole
(52) latch
(53) external screw thread
(6) rigid sleeve
(61) accommodation space (62) fluting
(63) perforation
(7) soft connecting rod
(8) body
(81) bearing
(811) sidewall
(82) pivot seat
(9) pinning
(10) vertebrae
(101) muscular tissue
(102) skin
The specific embodiment
Describe the embodiment of this utility model below in detail, the example of said embodiment is shown in the drawings, and wherein identical from start to finish or similar label is represented identical or similar elements or the element with identical or similar functions.Be exemplary through the embodiment that is described with reference to the drawings below, only be used to explain this utility model, and can not be interpreted as restriction this utility model.
See also Fig. 1 to 3, be respectively this utility model one embodiment connecting rod clamper STRUCTURE DECOMPOSITION sketch map, the combination side is cutd open sketch map and made up cross-sectional sketch map, this utility model is the structure of Minimally Invasive Surgery stationary links clamper of an improvement, comprises: one handle 1; One joint module 2 has first fluted disc 21 and one second fluted disc 22 of tabling, and this first fluted disc 21 is connected with handle 1; One curved bar 3 is connected with second fluted disc 22 of joint module 2; One sleeving connecting rod 4 is connected with this curved bar 3, and is provided with a sleeve joint hole 41 and a perforating 42, this sleeve joint hole 41 and perforating 42 vertical perforations, and this sleeve joint hole 41 is provided with a female thread 411 near a side of curved bar 3; A positioning rod 5; Have a swivel head 51 and a latch 52; This locating rod 5 is provided with an external screw thread 53 in the side near swivel head 51, and these external screw thread 53 spiral shells are located at the female thread 411 of sleeve joint hole 41, and the swivel head 51 of this locating rod 5 further is provided with an interior hexagonal and holds hole 511.
Wherein, above-mentioned handle 1 articulates with first fluted disc 21 and one second fluted disc 22 of joint module 2 respectively with curved bar 3 each other, and is as shown in Figure 3.
During enforcement, be socketed on soft connecting rod 7 in the accommodation space 61 with two flutings 62 of rigid sleeve 6, as shown in Figure 1; This rigid sleeve 6 is provided with perforation 63; This moment, the end with rigid sleeve 6 tools perforation 63 embedded in the perforating 42 of sleeving connecting rod 4, locating rod 5 was inserted the sleeve joint hole 41 of sleeving connecting rod 4 again, and the interior hexagonal that embeds swivel head 51 with instrument (being generally die nut) is held hole 511 and whole locating rod 5 of turn; Utilize the effect that screws togather of 411 of female threads of external screw thread 53 and the sleeve joint hole 41 of locating rod 5; Produce the locking effect of screwing gradually, and the corresponding perforation (63) of inserting rigid sleeve 6 of latch 52 meetings of locating rod 5, as shown in Figure 2; With the whole stationary links structure that comprises rigid sleeve 6 and soft connecting rod 7 of firm clamping, and unlikely generation comes off.
See also Fig. 4; Stationary links clamping sketch map () for this utility model one embodiment; With the suitable angle (possess multistage little angle adjustment mechanism) of joint module 2 adjustment handles 1 with 3 of curved bars, locating rod 5 is arranged in the sleeving connecting rod 4, and firm clamping comprises the stationary links structure of rigid sleeve 6 and soft connecting rod 7; Direction with vertical skin 102; Pass muscular tissue 101 through Wicresoft's wound, arrive the bearing 81 and pivot seat 82 degree of depth places of the body 8 of outside nail, the pinning 9 of body 8 front ends of nail correctly is locked on corresponding respectively saving on the vertebrae 10 at this moment.
See also Fig. 5 and Fig. 6; Be the stationary links clamping sketch map (two) of this utility model one embodiment and the stationary links clamping sketch map (three) of this utility model one embodiment; (joint module 2 can be adjusted the suitable angle of 3 of handle 1 and curved bars to pull the handle 1 of clamper counterclockwise; It is not produced with human body interferes); Make the stationary links structure that comprises rigid sleeve 6 and soft connecting rod 7 of sleeving connecting rod 4 and 5 common clampings of locating rod; Become level (skin 102 of process mesexine only can produce expansion) slightly by the state of standing vertically turn in muscular tissue 101 gradually, and embed 811 of the two sides of the body 8 of nail simultaneously, make 8 of the bodies of each nail controlled with the different constraint (restraint) degrees of the stationary links structure of soft connecting rod 7 by rigid sleeve 6; With the pinning 9 of each body 8 front end of interlock the sealed vertebrae 10 that respectively saves, produce the restraining function of rigidity (rigid sleeve 6 interval joint segments) and elasticity (soft connecting rod 7 interval joint segments); Owing to only need the wound opening of small size can reach the purpose of operation,, good and obvious effect arranged all for post-operative recovery situation and reduction infection risk.
Comprehensively above-mentioned; The structure of the Minimally Invasive Surgery stationary links clamper of the improvement of this utility model; Especially in regard to a kind of adjustable joint module of a tool 2 that passes through; The suitable angle that adjustment handle 1 and curved bar are 3, engage sleeves extension bar 4 and locating rod 5 common clampings comprise the stationary links structure of rigid sleeve 6 and soft connecting rod 7, with the peculiar easy operating procedure of clamper; Rigid sleeve 6 and the 7 firm clampings of soft connecting rod and combination are embedded at 8 of the bodies of nail, in operation process, effectively reduce the aperture area of wound simultaneously.
The above only is the preferred implementation of this utility model; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from this utility model principle; Can also make some improvement and retouching, these improvement and retouching also should be regarded as the protection domain of this utility model.
Claims (3)
1. the structure of the Minimally Invasive Surgery stationary links clamper of an improvement is characterized in that, comprising:
One handle;
One joint module has first fluted disc and one second fluted disc of tabling, and this first fluted disc is connected with handle;
One curved bar is connected with second fluted disc of joint module;
One sleeving connecting rod is connected with this curved bar, and is provided with a sleeve joint hole and a perforating, and this sleeve joint hole is vertical with perforating to connect, and this sleeve joint hole is provided with a female thread near a side of curved bar;
A positioning rod has a swivel head and a latch, and this locating rod is provided with an external screw thread in the side near swivel head, and this external screw thread spiral shell is located at the female thread of sleeve joint hole.
2. the structure of the Minimally Invasive Surgery stationary links clamper of improvement as claimed in claim 1 is characterized in that, wherein this handle and curved bar articulate with first fluted disc and one second fluted disc of joint module respectively each other.
3. the structure of the Minimally Invasive Surgery stationary links clamper of improvement as claimed in claim 1 is characterized in that, wherein the swivel head of this locating rod further is provided with an interior hexagonal and holds the hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202355245U CN202589635U (en) | 2012-05-23 | 2012-05-23 | Improved structure for minimally invasive surgery fixed connecting rod clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202355245U CN202589635U (en) | 2012-05-23 | 2012-05-23 | Improved structure for minimally invasive surgery fixed connecting rod clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202589635U true CN202589635U (en) | 2012-12-12 |
Family
ID=47307218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012202355245U Expired - Fee Related CN202589635U (en) | 2012-05-23 | 2012-05-23 | Improved structure for minimally invasive surgery fixed connecting rod clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202589635U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105058425A (en) * | 2015-08-10 | 2015-11-18 | 苏州驱指自动化科技有限公司 | Conversion component of finger connecting pieces |
| CN112353132A (en) * | 2020-11-26 | 2021-02-12 | 曹小爱 | Archive storage cabinet based on RFID technology |
| CN113081158A (en) * | 2021-03-30 | 2021-07-09 | 重庆市急救医疗中心 | Tibia tunnel locator for posterior cruciate ligament reconstruction operation |
-
2012
- 2012-05-23 CN CN2012202355245U patent/CN202589635U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105058425A (en) * | 2015-08-10 | 2015-11-18 | 苏州驱指自动化科技有限公司 | Conversion component of finger connecting pieces |
| CN112353132A (en) * | 2020-11-26 | 2021-02-12 | 曹小爱 | Archive storage cabinet based on RFID technology |
| CN112353132B (en) * | 2020-11-26 | 2022-04-19 | 江西光正金属设备集团有限公司 | Archive storage cabinet based on RFID technology |
| CN113081158A (en) * | 2021-03-30 | 2021-07-09 | 重庆市急救医疗中心 | Tibia tunnel locator for posterior cruciate ligament reconstruction operation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20121212 Termination date: 20160523 |