CN203885544U - Rotary operation retractor - Google Patents
Rotary operation retractor Download PDFInfo
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- CN203885544U CN203885544U CN201420266943.4U CN201420266943U CN203885544U CN 203885544 U CN203885544 U CN 203885544U CN 201420266943 U CN201420266943 U CN 201420266943U CN 203885544 U CN203885544 U CN 203885544U
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- handle
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- tumbler
- hook
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Abstract
The utility model discloses a rotary operation retractor comprising a handle and a hook. The rotary operation retractor is characterized that the handle and the hook are in a split structure; the rotary operation retractor further comprises a rotary member arranged on one sides of the handle and hook; the hook comprises a bent segment and a straight segment which are formed once; the handle and the straight segment of the hook are rotationally connected through the rotary member. By changing the structure of the hook, the hook and the handle are capable of rotating by 360 degrees, and the hook rarely moves with the handle synchronously with the angle changes during operations and is tightly fitted to the tissue surface constantly without slipping; since the rotary member is arranged on the sides of the handle and hook, the handle and the handle are not prone to displacement and breaking, and the entire hook is retained in fine operating state constantly during the operations so as to guarantee the fine operation effect.
Description
Technical field
This utility model relates to technical field of medical instruments, relates in particular to a kind of rotary surgery tractor for abdominal operation.
Background technology
Surgeon can be used different operation aids in the time carrying out surgical operation, and wherein drag hook especially, claims again retractor to use often.Drag hook can be divided into hand-held drag hook and self-retractor two classes.There are various difformities and big or small specification, can need to select suitable drag hook according to operation.
By different purposes, drag hook can be divided into following several: goitre retractor, abdominal cavity retractor, skin retractor, S shape drag hook.Wherein, goitre retractor is also right-angle retractor, is plain hook shape, is usually used in thyroid position tractive and exposes, and is also usually used in other operations, can retract skin, subcutaneous tissue, muscle and fascia etc.; Abdominal cavity retractor is the side's of crying hook also, for more roomy smoothly hook-shaped, for the larger hands art in abdominal cavity; Skin retractor is also claw retractor, and profile is as rake shape, for the skin retractor of superficial part operation; S shape drag hook is also crotch, is a kind of serpentine drag hook for deep of abdominal cavity, for splanchnocoel deep operation, has large, medium and small, wide, narrow dividing.
The visual field of performing the operation for abundant demonstration in operation, skin and the muscular tissue that need to use drag hook tractive patient to be cut open, while using drag hook, should grasp correct tenaculum method and using method, liner saline gauze pad or wet treatment towel are answered in drag hook below, particularly in the time using abdominal cavity retractor, more should note.Dressing liner can help to appear surgical field of view, and protection peripheral organs and tissue are avoided damage; While using hand-held drag hook, drawing-in motion should be soft, avoids overexerting, and adjusts in time the position of drag hook according to patient's intention and operation process, appears to reach the best.This hand-held drag hook by the manual tractive of medical personnel, in prolonged operations situation, not only tractive person is very arduous, also can affect the otch of realization and the operation of operating doctor because of exerting oneself inhomogeneous.Just be suitable in such cases with self-retractor, self-retractor is self-retaining retractor voluntarily, also claims self-holding property drag hook, and as two leaf formulas, cloverleaf self-retaining retractor, the operation at the positions such as abdominal cavity, thoracic cavity, pelvic cavity, waist, cranium brain all can be used.
Publication number is CN 202409007U, the Chinese patent literature that open day is on 09 05th, 2012 discloses a kind of retractor for general surgery operation, formed by coupler body and handle, the front end of handle is provided with coupler body, the front end of coupler body is bent downwardly, it is characterized in that: handle upper surface is provided with the undulatory placing trough matching with finger pulp loss along its length, and the tail end of handle is provided with fixing hole.
The disclosed retractor for general surgery operation of this patent documentation, coupler body and handle are fixed together, in operation process, need to carry out tractive to tissue surface from different perspectives by handle because performing the operation, in the time from different perspectives tissue surface being carried out to tractive, coupler body all the time can be along with the moving direction of handle synchronizing moving, coupler body slippage tissue surface that can impel like this script and tissue surface to fit, affects the exposure of operative region.
Publication number is CN 201029895, within open day, is that the Chinese patent literature of on 03 05th, 2008 discloses a kind of drag hook, comprises main drag hook, it is characterized in that: on main drag hook, be provided with rotating secondary drag hook.
The disclosed drag hook of this patent documentation, adopt the combinative structure of major and minor drag hook, secondary drag hook can rotate, although increased the contact area of drag hook and tissue surface, make surgical field of view openr, but, when operation, need control main drag hook simultaneously and be positioned at the secondary drag hook of main drag hook both sides with the handle by main drag hook, controlling difficulty increases greatly, in operation, along with the change of angle, drag hook is difficult for carrying out good laminating, easily slippage tissue surface with tissue surface, affect the exposure of operative region, be unfavorable for normally carrying out of operation.Prior art is for operating aid, as goitre retractor, in order to overcome the change along with angle in operation, drag hook is difficult for carrying out with tissue surface the problem of good fit, goitre retractor is arranged to rotary structure, although there is certain effect, but, because its rotary structure is to be arranged and formed by the both ends at handle and coupler body,, itself there is gap between handle and coupler body in one, after drag hook life-time service, gap between handle and coupler body is increasing, very easily produces dislocation, affects surgical effect; Its two, because rotary structure is at the both ends of handle and coupler body, in the mutual rotation process of handle and coupler body, mutually do not support each other, along with the change of drag hook angle in operation process, dynamics also can change, easily make the revolving part in rotational structure rupture, have a strong impact on surgical effect; Its three, rotary structure is at the both ends of handle and coupler body, rotational structure will protrude from the two sides of coupler body, when operation, the rotational structure that protrudes from coupler body very easily touches and is drawn tissue surface, and the corner angle of rotational structure easily cause damage to tissue surface, affect surgical effect.
Utility model content
For solving the problems of the technologies described above, the utility model proposes a kind of rotary surgery tractor, this utility model is by changing the structure of drag hook, coupler body and handle can be realized 360 degree rotations each other by tumbler, in operation along with the change of angle, coupler body not can with handle synchronizing moving, coupler body keeps fitting tightly with tissue surface all the time, not slippage, because tumbler is arranged on handle and coupler body one side, handle and coupler body are difficult for occurring dislocation and phenomenon of rupture, thereby make whole drag hook in operation process, remain good running status, to ensure good surgical effect.
The technical solution adopted in the utility model is:
A kind of rotary surgery tractor, comprise handle and coupler body, it is characterized in that: described handle and coupler body are split-type structural, also comprise tumbler, described tumbler is arranged on handle and coupler body one side, described coupler body is one-body molded by curved segment and straight section, and the straight section of described handle and coupler body is rotationally connected by tumbler.
Described tumbler by bearing pin, be fixedly connected on the first axle sleeve on straight section side and the second axle sleeve of being fixedly connected on handle side forms, the first axle sleeve is connected by bearing pin with the second axle sleeve.
Described tumbler is made up of the nut that is fixedly connected on the screw on straight section side and be fixedly connected on handle side, and screw and nut are rotationally connected.
On the another side of described handle, be provided with barb, barb and the handle structure that is formed in one.
One end of described handle another side is vertically connected with the first column, and the other end is vertically connected with the second column, between the first column and the second column, is provided with backplate, backplate one end and the first column snapping, and the backplate other end and the second column are hinged.
On described backplate, have multiple antiskid grooves, antiskid groove is evenly distributed on backplate.
Described barb is " L " type, and barb quantity is 3-6.
The spacing that two barbs of described arbitrary neighborhood form is identical.
Described handle end has circular hanging hole.
The beneficial effects of the utility model are mainly manifested in the following aspects:
One, tumbler is arranged on handle and coupler body one side, coupler body is one-body molded by curved segment and straight section, the straight section of handle and coupler body is rotationally connected by tumbler, compared at handle and coupler body end, rotational structure being set, the gap forming between handle and coupler body is minimum, in operation process, handle and coupler body are difficult for occurring inconsistent phenomenon, ensure surgical effect, when 360 degree rotation occurs each other for handle and coupler body, handle and coupler body can provide support to each other, avoid tumbler generation phenomenon of rupture, make the work of tumbler long-term stability, thereby make surgical effect better, in addition, tumbler is arranged on handle and coupler body one side, and when operation, for the coupler body another side of tractive tissue surface, owing to there is no tumbler, its surface is more smooth, can not be damaged to tissue surface, thereby is beneficial to guarantee surgical effect, coupler body is one-body molded by curved segment and straight section, improve the overall construction intensity of coupler body, the technical program forms a complete technical scheme, coupler body and handle can be realized 360 degree rotations each other by tumbler, in operation along with the change of angle, coupler body not can with handle synchronizing moving, coupler body keeps fitting tightly with tissue surface all the time, not slippage, because tumbler is arranged on handle and coupler body one side, handle and coupler body are difficult for occurring dislocation and phenomenon of rupture, thereby make whole drag hook in operation process, remain good running status, to ensure good surgical effect.
Two, tumbler by bearing pin, be fixedly connected on the first axle sleeve on straight section side and the second axle sleeve of being fixedly connected on handle side forms, the first axle sleeve is connected by bearing pin with the second axle sleeve, adopt this structure, whole tumbler is comparatively smooth, make handle and coupler body after life-time service, also can keep good rotation, thereby further ensure good surgical effect.
Three, tumbler is made up of the nut that is fixedly connected on the screw on straight section side and be fixedly connected on handle side, and screw and nut are rotationally connected, and can realize equally 360 mutual degree rotations of coupler body and handle, and simple in structure, is beneficial to and saves production cost.
Four, on the another side of handle, be provided with barb, in the time of prolonged operations, can whole drag hook be hung on the operation framework matching by the barb on handle, medical personnel's hands is loosened, greatly reduce hand labor intensity, barb and the handle structure that is formed in one, can make long-time stable the hanging on operation framework of drag hook, ensures operative stabilization.
Five, one end of handle another side is vertically connected with the first column, the other end is vertically connected with the second column, between the first column and the second column, be provided with backplate, backplate one end and the first column snapping, the backplate other end and the second column are hinged, by setting up backplate, backplate can effectively block barb, and when the hand-held drag hook handle of medical personnel, the centre of the palm can directly not touch barb, gripping handle is more comfortable, is more beneficial to raising surgical effect; Due to backplate one end and the first column snapping, the backplate other end and the second column are hinged, in the time of prolonged operations, backplate can be pushed to handle end, make barb out exposed, drag hook be hung on the operation framework matching, alleviate medical personnel's working strength, use very flexible.
Six, on backplate, have multiple antiskid grooves, antiskid groove is evenly distributed on backplate, increase the frictional force of backplate and medical personnel's centre of the palm, make medical personnel grip drag hook handle more stable, can effectively avoid perspiring and causing the situation of drag hook slippage because of medical personnel's centre of the palm, ensure that operative stabilization carries out.
Seven, barb is " L " type, and barb quantity is 3-6, and the barb of " L " type can ensure long-time stable the hanging on operation framework and manufacture simpler of drag hook; Barb quantity is 3-6, adopts the barb of specific quantity to make whole drag hook lighter small and exquisite, and when use, the traction force that 3-6 barb and the framework of performing the operation produce and the dynamics of the hand-held handle of medical personnel are more approaching, are beneficial to raising surgical effect.
Eight, the spacing of two of arbitrary neighborhood barb formation is identical, and barb adopts this distributed architecture, makes the stressed more even of drag hook handle, thereby strengthens the balance of drag hook in whole operation process.
Nine, handle end has circular hanging hole, in the time that drag hook does not use, can be hung very easily, and not only storage is convenient, and the drag hook hanging is beneficial to ventilation, the hygiene effect of raising drag hook, thereby the safety of enhancing operation.
Brief description of the drawings
Below in conjunction with specification drawings and specific embodiments, this utility model is described in further detail, wherein:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of this utility model embodiment;
Fig. 3 is the structural representation of this utility model embodiment;
Fig. 4 is the structural representation of this utility model embodiment;
Fig. 5 is the structural representation of this utility model embodiment backplate;
Fig. 6 is the top view of this utility model embodiment handle;
Fig. 7 is the structural representation of this utility model embodiment;
Labelling in figure: 1, handle, 2, coupler body, 3, tumbler, 4, bearing pin, 5, the first axle sleeve, 6, the second axle sleeve, 7, screw, 8, nut, 9, barb, 10, the first column, 11, the second column, 12, backplate, 13, antiskid groove, 14, circular hanging hole.
Detailed description of the invention
Embodiment 1
A kind of rotary surgery tractor, comprise handle 1 and coupler body 2, described handle 1 and coupler body 2 are split-type structural, also comprise tumbler 3, described tumbler 3 is arranged on handle 1 and coupler body 2 one sides, described coupler body 2 is one-body molded by curved segment and straight section, and the straight section of described handle 1 and coupler body 2 is rotationally connected by tumbler 3.
The present embodiment is basic embodiment, coupler body 2 can be realized 360 degree rotations each other with handle 1 by tumbler 3, in operation along with the change of angle, coupler body 2 not can with handle 1 synchronizing moving, coupler body 2 keeps fitting tightly with tissue surface all the time, not slippage, and because tumbler 3 is arranged on handle 1 and coupler body 2 one sides, handle 1 and coupler body 2 are difficult for occurring dislocation and phenomenon of rupture, thereby make whole drag hook in operation process, remain good running status, to ensure good surgical effect.
Embodiment 2
A kind of rotary surgery tractor, comprise handle 1 and coupler body 2, described handle 1 and coupler body 2 are split-type structural, also comprise tumbler 3, described tumbler 3 is arranged on handle 1 and coupler body 2 one sides, described coupler body 2 is one-body molded by curved segment and straight section, and the straight section of described handle 1 and coupler body 2 is rotationally connected by tumbler 3.
Described tumbler 3 by bearing pin 4, be welded on the first axle sleeve 5 on straight section side and the second axle sleeve 6 of being welded on handle 1 side forms, the first axle sleeve 5 is connected by bearing pin 4 with the second axle sleeve 6.
The present embodiment is preferred embodiments, adopts this structure, and whole tumbler 3 is comparatively smooth, makes handle 1 and coupler body 2 after life-time service, also can keep good rotation, thereby further ensures good surgical effect.
Embodiment 3
A kind of rotary surgery tractor, comprise handle 1 and coupler body 2, described handle 1 and coupler body 2 are split-type structural, also comprise tumbler 3, described tumbler 3 is arranged on handle 1 and coupler body 2 one sides, described coupler body 2 is one-body molded by curved segment and straight section, and the straight section of described handle 1 and coupler body 2 is rotationally connected by tumbler 3.
Described tumbler 3 forms by being welded on the screw 7 on straight section side and the nut 8 being welded on handle 1 side, and screw 7 and nut 8 are rotationally connected.
The present embodiment is another preferred embodiments, adopts this structure, can realize equally 360 mutual degree rotations of coupler body 2 and handle 1, and simple in structure, is beneficial to and saves production cost.
Embodiment 4
A kind of rotary surgery tractor, comprise handle 1 and coupler body 2, described handle 1 and coupler body 2 are split-type structural, also comprise tumbler 3, described tumbler 3 is arranged on handle 1 and coupler body 2 one sides, described coupler body 2 is one-body molded by curved segment and straight section, and the straight section of described handle 1 and coupler body 2 is rotationally connected by tumbler 3.
Described tumbler 3 by bearing pin 4, be welded on the first axle sleeve 5 on straight section side and the second axle sleeve 6 of being welded on handle 1 side forms, the first axle sleeve 5 is connected by bearing pin 4 with the second axle sleeve 6.
On the another side of described handle 1, be provided with barb 9, barb 9 and handle 1 structure that is formed in one.
The present embodiment is another preferred embodiments, on the another side of handle 1, be provided with barb 9, in the time of prolonged operations, can whole drag hook be hung on the operation framework matching by the barb 9 on handle 1, medical personnel's hands is loosened, greatly reduce hand labor intensity, barb 9 and handle 1 structure that is formed in one, can make long-time stable the hanging on operation framework of drag hook, ensure operative stabilization.
Embodiment 5
A kind of rotary surgery tractor, comprise handle 1 and coupler body 2, described handle 1 and coupler body 2 are split-type structural, also comprise tumbler 3, described tumbler 3 is arranged on handle 1 and coupler body 2 one sides, described coupler body 2 is one-body molded by curved segment and straight section, and the straight section of described handle 1 and coupler body 2 is rotationally connected by tumbler 3.
Described tumbler 3 by bearing pin 4, be welded on the first axle sleeve 5 on straight section side and the second axle sleeve 6 of being welded on handle 1 side forms, the first axle sleeve 5 is connected by bearing pin 4 with the second axle sleeve 6.
On the another side of described handle 1, be provided with barb 9, barb 9 and handle 1 structure that is formed in one.
One end of described handle 1 another side is vertically connected with the first column 10, the other end is vertically connected with the second column 11, between the first column 10 and the second column 11, be provided with backplate 12, backplate 12 one end and the first column 10 snappings, backplate 12 other ends and the second column 11 are hinged.
The present embodiment is another preferred embodiments, and by setting up backplate 12, backplate 12 can effectively block barb 9, when the hand-held drag hook handle of medical personnel 1, the centre of the palm can directly not touch barb 9, and gripping handle 1 is more comfortable, is more beneficial to raising surgical effect; Due to backplate 12 one end and the first column 10 snappings, backplate 12 other ends and the second column 11 are hinged, in the time of prolonged operations, backplate 12 can be pushed to handle 1 end, make barb 9 out exposed, drag hook is hung on the operation framework matching, alleviate medical personnel's working strength, use very flexible.
Embodiment 6
A kind of rotary surgery tractor, comprise handle 1 and coupler body 2, described handle 1 and coupler body 2 are split-type structural, also comprise tumbler 3, described tumbler 3 is arranged on handle 1 and coupler body 2 one sides, described coupler body 2 is one-body molded by curved segment and straight section, and the straight section of described handle 1 and coupler body 2 is rotationally connected by tumbler 3.
Described tumbler 3 by bearing pin 4, be welded on the first axle sleeve 5 on straight section side and the second axle sleeve 6 of being welded on handle 1 side forms, the first axle sleeve 5 is connected by bearing pin 4 with the second axle sleeve 6.
On the another side of described handle 1, be provided with barb 9, barb 9 and handle 1 structure that is formed in one.
One end of described handle 1 another side is vertically connected with the first column 10, the other end is vertically connected with the second column 11, between the first column 10 and the second column 11, be provided with backplate 12, backplate 12 one end and the first column 10 snappings, backplate 12 other ends and the second column 11 are hinged.
On described backplate 12, have multiple antiskid grooves 13, antiskid groove 13 is evenly distributed on backplate 12.Described barb 9 is " L " type, and barb 9 quantity are 3-6.
The present embodiment is another preferred embodiments, on backplate 12, have multiple antiskid grooves 13, antiskid groove 13 is evenly distributed on backplate 12, increase the frictional force of backplate 12 with medical personnel's centre of the palm, make medical personnel grip drag hook handle 1 more stable, can effectively avoid perspiring and causing the situation of drag hook slippage because of medical personnel's centre of the palm, ensure that operative stabilization carries out.Barb 9 is " L " type, and barb 9 quantity are 3-6, and the barb 9 of " L " type can ensure long-time stable the hanging on operation framework and manufacture simpler of drag hook; Barb 9 quantity are 3-6, adopt the barb 9 of specific quantity to make whole drag hook lighter small and exquisite, and when use, the traction force that 3-6 barb 9 and the framework of performing the operation produce and the dynamics of the hand-held handle 1 of medical personnel are more approaching, are beneficial to raising surgical effect.
Embodiment 7
A kind of rotary surgery tractor, comprise handle 1 and coupler body 2, described handle 1 and coupler body 2 are split-type structural, also comprise tumbler 3, described tumbler 3 is arranged on handle 1 and coupler body 2 one sides, described coupler body 2 is one-body molded by curved segment and straight section, and the straight section of described handle 1 and coupler body 2 is rotationally connected by tumbler 3.
Described tumbler 3 by bearing pin 4, be welded on the first axle sleeve 5 on straight section side and the second axle sleeve 6 of being welded on handle 1 side forms, the first axle sleeve 5 is connected by bearing pin 4 with the second axle sleeve 6.
On the another side of described handle 1, be provided with barb 9, barb 9 and handle 1 structure that is formed in one.
One end of described handle 1 another side is vertically connected with the first column 10, the other end is vertically connected with the second column 11, between the first column 10 and the second column 11, be provided with backplate 12, backplate 12 one end and the first column 10 snappings, backplate 12 other ends and the second column 11 are hinged.
On described backplate 12, have multiple antiskid grooves 13, antiskid groove 13 is evenly distributed on backplate 12.Described barb 9 is " L " type, and barb 9 quantity are 3-6.
The spacing that two barbs 9 of described arbitrary neighborhood form is identical.
Described handle 1 end has circular hanging hole 14.
The present embodiment is preferred forms, and the spacing that two barbs 9 of arbitrary neighborhood form is identical, and barb 9 adopts this distributed architecture, makes the stressed more even of drag hook handle 1, thereby strengthens the balance of drag hook in whole operation process.Handle 1 end has circular hanging hole 14, in the time that drag hook does not use, can be hung very easily, and not only storage is convenient, and the drag hook hanging is beneficial to ventilation, the hygiene effect of raising drag hook, thereby the safety of enhancing operation.
This utility model is not limited to above-described embodiment, and according to the description of above-described embodiment, those of ordinary skill in the art also can make some apparent changes to this utility model, but within these changes all should fall into the protection domain of this utility model claim.
Claims (9)
1. a rotary surgery tractor, comprise handle (1) and coupler body (2), it is characterized in that: described handle (1) and coupler body (2) are split-type structural, also comprise tumbler (3), described tumbler (3) is arranged on handle (1) and coupler body (2) one sides, described coupler body (2) is one-body molded by curved segment and straight section, and the straight section of described handle (1) and coupler body (2) is rotationally connected by tumbler (3).
2. a kind of rotary surgery tractor according to claim 1, it is characterized in that: described tumbler (3) by bearing pin (4), be fixedly connected on the first axle sleeve (5) on straight section side and be fixedly connected on the second axle sleeve (6) on handle (1) side and form, the first axle sleeve (5) is connected by bearing pin (4) with the second axle sleeve (6).
3. a kind of rotary surgery tractor according to claim 1, it is characterized in that: described tumbler (3) is made up of the nut (8) that is fixedly connected on the screw (7) on straight section side and be fixedly connected on handle (1) side, and screw (7) and nut (8) are rotationally connected.
4. according to a kind of rotary surgery tractor described in claim 1 or 2, it is characterized in that: on the another side of described handle (1), be provided with barb (9), barb (9) and handle (1) structure that is formed in one.
5. a kind of rotary surgery tractor according to claim 4, it is characterized in that: one end of described handle (1) another side is vertically connected with the first column (10), the other end is vertically connected with the second column (11), between the first column (10) and the second column (11), be provided with backplate (12), backplate (12) one end and the first column (10) snapping, backplate (12) other end and the second column (11) are hinged.
6. a kind of rotary surgery tractor according to claim 5, is characterized in that: on described backplate (12), have multiple antiskid grooves (13), antiskid groove (13) is evenly distributed on backplate (12).
7. a kind of rotary surgery tractor according to claim 6, is characterized in that: described barb (9) is " L " type, and barb (9) quantity is 3-6.
8. a kind of rotary surgery tractor according to claim 7, is characterized in that: the spacing that two barbs (9) of described arbitrary neighborhood form is identical.
9. a kind of rotary surgery tractor according to claim 8, is characterized in that: described handle (1) end has circular hanging hole (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420266943.4U CN203885544U (en) | 2014-05-23 | 2014-05-23 | Rotary operation retractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420266943.4U CN203885544U (en) | 2014-05-23 | 2014-05-23 | Rotary operation retractor |
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| Publication Number | Publication Date |
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| CN203885544U true CN203885544U (en) | 2014-10-22 |
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ID=51712001
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420266943.4U Expired - Fee Related CN203885544U (en) | 2014-05-23 | 2014-05-23 | Rotary operation retractor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108451565A (en) * | 2018-04-12 | 2018-08-28 | 江苏省人民医院（南京医科大学第附属医院） | Inner side drag hook for cervical vertebra operation |
-
2014
- 2014-05-23 CN CN201420266943.4U patent/CN203885544U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108451565A (en) * | 2018-04-12 | 2018-08-28 | 江苏省人民医院（南京医科大学第附属医院） | Inner side drag hook for cervical vertebra operation |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141022 Termination date: 20150523 |
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| EXPY | Termination of patent right or utility model |