CN208426148U - Retractor for neurosurgery - Google Patents
Retractor for neurosurgery Download PDFInfo
- Publication number
- CN208426148U CN208426148U CN201721570907.7U CN201721570907U CN208426148U CN 208426148 U CN208426148 U CN 208426148U CN 201721570907 U CN201721570907 U CN 201721570907U CN 208426148 U CN208426148 U CN 208426148U
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- CN
- China
- Prior art keywords
- wall
- screw rod
- barrel
- bar
- elasticity
- 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
- 230000005540 biological transmission Effects 0.000 claims description 16
- 244000309464 bull Species 0.000 claims description 14
- 238000003466 welding Methods 0.000 abstract description 4
- 210000000078 claw Anatomy 0.000 abstract 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract 1
- 235000017491 Bambusa tulda Nutrition 0.000 abstract 1
- 241001330002 Bambuseae Species 0.000 abstract 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract 1
- 239000011425 bamboo Substances 0.000 abstract 1
- 241000282472 Canis lupus familiaris Species 0.000 description 16
- 238000000034 method Methods 0.000 description 5
- 230000000007 visual effect Effects 0.000 description 5
- 230000008602 contraction Effects 0.000 description 4
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 210000003625 skull Anatomy 0.000 description 1
Landscapes
- Surgical Instruments (AREA)
Abstract
The utility model provides a retractor for neurosurgery relates to neurosurgery technical field. This retractor for neurosurgery, including elasticity expansion piece, elasticity expansion piece is the arc structure, and the opening part welding of elasticity expansion piece has two loop bars, and the loop bar is kept away from one side that elasticity expansion piece and is inserted interior pole, and the lateral wall welding of interior pole has the claw, and the inside that elasticity expansion piece is provided with the barrel, and one side of barrel has been inserted the screw rod, and one side that screw rod and barrel kept away from each other all expands the inner wall swing joint of piece through movable rod and elasticity. This retractor for neurosurgery, the rotation control screw rod through control handle is flexible simultaneously in the inside rotation of spiral shell section of thick bamboo, makes the screw rod play the application of force of an expansion or shrink to elasticity expansion piece, drives the expansion or the shrink of pulling out the claw, leads out the incision, and easy operation is convenient, and whole retractor is planar structure, and how much nothing shelters from the thing, can increase the art and expose in the open country, reduces the operation risk.
Description
Technical field
The utility model relates to neurosurgery technical field, specially a kind of neurosurgery retractor.
Background technique
In neurosurgery clinical operation, when performing the operation to patient's skull or backbone, it usually needs use retractor will
The skin and musculature of patient retracts, and to provide surgical procedure space, but currently used operation retractor, itself is occupied
Biggish space, influence visual area exposure when operation carries out, in neurosurgery, good visual area is effectively and fully sudden and violent
Dew is that one of the key condition that entire successful surgery carries out can set about in terms of two in order to improve visual area exposure, on the one hand be
Increase the size of drawing opening, is on the other hand shared space size when reducing retractor drawing.Traditional retractor is due to certainly
Body product is big, and causes to need to cut patient the biggish edge of a knife, and postoperation recovery is slow, and bigger pain is brought to patient
It is bitter.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of neurosurgery retractor, solves traditional
Retractor cuts the biggish edge of a knife since own vol is big, to patient, and the problem of larger pain is brought to patient.
(2) technical solution
In order to achieve the above object, the utility model is achieved by the following technical programs: a kind of neurosurgery traction
Device, including elasticity expansion part, the elasticity expansion part is arcuate structure, and the opening of the elasticity expansion part is welded with two sets
Bar, inserted with interior bar, the sidewall weld of the interior bar has pusher dog, the elasticity exhibition for side of the loop bar far from elasticity expansion part
The barrel that is internally provided with of part is opened, inserted with screw rod, the side that the screw rod and barrel are located remotely from each other is equal for the side of the barrel
It is flexibly connected by motion bar with the inner wall of elasticity expansion part.
The interior bar far from pusher dog one end insertion loop bar inside and with the sidewall weld of limit plate, the side of the interior bar
Wall is welded with slide bar, and the outside of the loop bar is provided with bolt, the card that the bolt-through loop bar and insertion interior bar side wall open up
Inside hole.
The barrel and screw rod junction are arranged with sleeve, and the sleeve and barrel weld, and the barrel is close to screw rod
Side is flexibly connected by connecting bearing with transmission gear, and the side wall of transmission gear is provided with driving gear, the driving gear
One end of side and bull stick far from transmission gear is welded, and the one end of the bull stick far from transmission gear is through fixing bearing, set
The side wall of cylinder and elastic expansion part and outside and the handle welding for extending to elasticity expansion part, the inner ring inner wall of the fixing bearing
It is welded with the outer wall of bull stick, side outer ring of the fixing bearing far from driving gear is Nian Jie with the inner wall of sleeve, the elasticity
It is welded with fixed block at the top of expansion part, the top of the fixed block and the bottom of direction flexible are Nian Jie, the direction flexible
Top is bonded with small light bulb.
Preferably, the quantity of the pusher dog is four groups, and quantity is the side that four groups of pusher dog is symmetrically disposed on two interior bars
Wall.
Preferably, the inner wall of the loop bar offers sliding slot compatible with slide bar, and slide bar extends far from the side of interior bar
To sliding slot inner cavity and contacted with the inner wall of sliding slot.
Preferably, the outer wall of the outer bar offers screw hole compatible with bolt, and the inner wall of screw hole is provided with and spiral shell
The compatible internal screw thread of the external screw thread of bolt.
Preferably, the inside of the barrel and transmission gear offers through-hole compatible with screw rod, and through-hole is interior
Wall is provided with internal screw thread compatible with the external screw thread of screw rod.
Preferably, the outer surface of the handle is arranged rubber sleeve, and the outer wall of rubber sleeve is scored with non-slip texture.
(3) beneficial effect
The utility model provides a kind of neurosurgery retractor.What is had has the beneficial effect that:
1, the neurosurgery retractor drives the rotation of bull stick by the rotation of control handle, and driving gear band is dynamic to be passed
The rotation of moving gear makes the screw rod being threadedly coupled with barrel in the internal rotating simultaneous retractable in barrel, makes screw rod to elastic exhibition
The force that part plays an expansion or shrinks is opened, the expansion or contraction of pusher dog is driven, notch is retracted, side easy to operate
Just, entire retractor is planar structure, without shelter, can increase visual area exposure, reduce operation risk.
2, the inside that the side wall of bolt-through loop bar extends to card hole can fix interior bar and loop bar, make pusher dog and elasticity
The notch that the distance between part is adjustable, convenient for the retractor suitable for different sizes is unfolded, improves the practical of the retractor
Property, the setting of direction flexible adjust the angle of small light bulb can arbitrarily, small light bulb is easy to use to observe incision, makes to cut
Doctor's observation is easily facilitated at mouthful, reduces operation risk.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the utility model loop bar schematic diagram of internal structure；
Fig. 3 is the utility model outer barrel structural schematic diagram.
In figure: 1 elasticity expansion part, 2 loop bars, 3 interior bars, 4 pusher dogs, 5 motion bars, 6 screw rods, 7 barrels, 8 fixed blocks, 9 universal
Hose, 10 small light bulbs, 11 bull sticks, 12 handles, 13 sleeves, 14 connection bearings, 15 transmission gears, 16 driving gears, 17 fixing axles
It holds, 18 limit plates, 19 slide bars, 20 bolts.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The utility model embodiment provides a kind of neurosurgery retractor, as shown in Figure 1-3, include elasticity expansion part 1,
Elasticity expansion part 1 is arcuate structure, and the opening of elasticity expansion part 1 is welded with two loop bars 2, and loop bar 2 is far from elasticity expansion part 1
Side inserted with interior bar 3, the sidewall weld of interior bar 3 has a pusher dog 4, and the quantity of pusher dog 4 is four groups, and the pusher dog that quantity is four groups
4 are symmetrically disposed on the side wall of two interior bars 3, and convenient for pushing aside to wound, the inside of elasticity expansion part 1 is set for the setting of pusher dog 4
It is equipped with barrel 7, the side that the side of barrel 7 is located remotely from each other inserted with screw rod 6, screw rod 6 and barrel 7 passes through motion bar 5 and bullet
Property expansion part 1 inner wall be flexibly connected.
The inside of one end insertion loop bar 2 of the interior bar 3 far from pusher dog 4 and sidewall weld with limit plate 18, the side wall of interior bar 3
It is welded with slide bar 19, the inner wall of loop bar 2 offers sliding slot compatible with slide bar 19, and slide bar 19 extends far from the side of interior bar 3
To sliding slot inner cavity and contacted with the inner wall of sliding slot, the setting of slide bar 19, in 2 internal slide of loop bar, makes interior bar 3 exist convenient for interior bar 3
Sliding inside loop bar 2 is more stable, and the outside of loop bar 2 is provided with bolt 20, and bolt 20 is through loop bar 2 and insertion interior bar 3
Inside the card hole that side wall opens up, the side wall of interior bar 3 offers several card holes, and the outer wall of outer bar 2 is offered to be adapted with bolt 20
Screw hole, and the inner wall of screw hole is provided with internal screw thread compatible with the external screw thread of bolt 20, and bolt 20 runs through the side wall of loop bar 2
The inside for extending to card hole can be fixed by interior bar 3 and loop bar 2, keeps the distance between pusher dog 4 and elasticity expansion part 1 adjustable,
It is suitable for the notch of different sizes convenient for the retractor, improves the practicability of the retractor.
Barrel 7 and 6 junction of screw rod are arranged with sleeve 13, and sleeve 13 and barrel 7 weld, and barrel 7 is close to the side of screw rod 6
It is flexibly connected by connection bearing 14 with transmission gear 15, the inside of barrel 7 and transmission gear 15 offers suitable with 6 phase of screw rod
The through-hole matched, and the inner wall of through-hole is provided with internal screw thread compatible with the external screw thread of screw rod 6, the rotation of transmission gear 15 drives
Screw rod 6 is flexible in the internal rotating of barrel 7, and the force for making 6 pairs of elasticity expansion parts 1 of screw rod play an expansion or shrink drives
The expansion or contraction of pusher dog 4, retract notch, and the side wall of transmission gear 15 is provided with driving gear 16, drive gear 16
One end of side and bull stick 11 far from transmission gear 15 is welded, and bull stick 11 runs through fixing bearing far from one end of transmission gear 15
17, sleeve 13 and elasticity expansion part 1 side wall and extend to elasticity expansion part 1 outside and handle 12 weld, handle 12 outside
Surface is arranged rubber sleeve, and the outer wall of rubber sleeve is scored with non-slip texture, and the setting of handle 12 is convenient for controlling screw rod 6
System, the inner ring inner wall of fixing bearing 17 and the outer wall of bull stick 11 weld, side outer ring of the fixing bearing 17 far from driving gear 16
Nian Jie with the inner wall of sleeve 13, fixing bearing 17 provides supporting point, the top welding of elasticity expansion part 1 for the fixation of bull stick 11
There is fixed block 8, the top of fixed block 8 is Nian Jie with the bottom of direction flexible 9, and the top of direction flexible 9 is bonded with small light bulb 10, and ten thousand
Setting to hose 9 adjust the angle of small light bulb 10 can arbitrarily, is easy to use small light bulb 10 to observe incision, makes to cut
Doctor's observation is easily facilitated at mouthful, reduces operation risk.
Working principle: the rotation of control handle 12 drives the rotation of bull stick 11, drives gear 16 with nutating gear 15
Rotation makes the screw rod 6 being threadedly coupled with barrel 7 in the internal rotating simultaneous retractable in barrel 7, makes 6 pairs of elasticity expansion parts 1 of screw rod
The force for playing an expansion or shrinking, drives the expansion or contraction of pusher dog 4, retracts to notch.
In conclusion the neurosurgery retractor drives the rotation of bull stick 11 by the rotation of control handle 12, drive
Rotation of the moving gear 16 with nutating gear 15, make the screw rod 6 being threadedly coupled with barrel 7 barrel 7 internal rotating simultaneously
Forces that are flexible, making 6 pairs of elasticity expansion parts 1 of screw rod play an expansion or shrink, drive the expansion or contraction of pusher dog 4, to cutting
Mouth is retracted, simple to operate, and entire retractor is planar structure, without shelter, can increase visual area exposure,
Reduce operation risk.
Also, bolt 20 can be fixed by interior bar 3 and loop bar 2 through the inside that the side wall of loop bar 2 extends to card hole, makes to pull out
The distance between pawl 4 and elasticity expansion part 1 are adjustable, are suitable for the notch of different sizes convenient for the retractor, improve this and lead
The practicability of device is opened, the setting of direction flexible 9 adjust the angle of small light bulb 10 can arbitrarily, be easy to use small light bulb 10 to notch
Place is observed, and so that incision is easily facilitated doctor's observation, is reduced operation risk.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of neurosurgery retractor, including elasticity expansion part (1), it is characterised in that: elasticity expansion part (1) is arc
Shape structure, the opening of elasticity expansion part (1) are welded with two loop bars (2), and the loop bar (2) is far from elasticity expansion part
(1) side has pusher dog (4) inserted with interior bar (3), the sidewall weld of the interior bar (3), the inside of elasticity expansion part (1)
Be provided with barrel (7), the side of the barrel (7) be located remotely from each other inserted with screw rod (6), the screw rod (6) and barrel (7) one
Side passes through motion bar (5) and is flexibly connected with the inner wall of elasticity expansion part (1)；
The inside of loop bar (2) and the sidewall weld with limit plate (18), institute are inserted into one end of the interior bar (3) separate pusher dog (4)
The sidewall weld for stating interior bar (3) has slide bar (19), and the outside of the loop bar (2) is provided with bolt (20), and the bolt (20) is passed through
It wears bar (2) and is inserted into inside the card hole that interior bar (3) side wall opens up；
The barrel (7) and screw rod (6) junction are arranged with sleeve (13), and the sleeve (13) and barrel (7) are welded, the spiral shell
Cylinder (7) is flexibly connected by connecting bearing (14) with transmission gear (15) close to the side of screw rod (6), the side of transmission gear (15)
Wall is provided with driving gear (16), and one end of side and bull stick (11) of driving gear (16) far from transmission gear (15) is welded
It connects, the one end of the bull stick (11) far from transmission gear (15) is through fixing bearing (17), sleeve (13) and elasticity expansion part (1)
Side wall and extend to elasticity expansion part (1) outside and handle (12) weld, the inner ring inner wall of the fixing bearing (17) with
The outer wall of bull stick (11) welds, the inner wall of side outer ring and sleeve (13) of the fixing bearing (17) far from driving gear (16)
Bonding, the elasticity are unfolded to be welded with fixed block (8) at the top of part (1), the top and direction flexible (9) of the fixed block (8)
Bottom bonding, be bonded with small light bulb (10) at the top of the direction flexible (9).
2. a kind of neurosurgery retractor according to claim 1, it is characterised in that: the quantity of the pusher dog (4) is
Four groups, and quantity is the side wall that four groups of pusher dog (4) is symmetrically disposed on two interior bars (3).
3. a kind of neurosurgery retractor according to claim 1, it is characterised in that: the inner wall of the loop bar (2) is opened
Equipped with sliding slot compatible with slide bar (19), slide bar (19) extends to inner cavity and and the sliding slot of sliding slot far from the side of interior bar (3)
Inner wall contact.
4. a kind of neurosurgery retractor according to claim 1, it is characterised in that: the outer wall of the loop bar (2) is opened
Equipped with screw hole compatible with bolt (20), and the inner wall of screw hole is provided with interior spiral shell compatible with the external screw thread of bolt (20)
Line.
5. a kind of neurosurgery retractor according to claim 1, it is characterised in that: the barrel (7) and driving cog
The inside of wheel (15) offers and screw rod (6) compatible through-hole, and the inner wall of through-hole is provided with and the external screw thread of screw rod (6)
Compatible internal screw thread.
6. a kind of neurosurgery retractor according to claim 1, it is characterised in that: the outer surface of the handle (12)
It is arranged rubber sleeve, and the outer wall of rubber sleeve is scored with non-slip texture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721570907.7U CN208426148U (en) | 2017-11-22 | 2017-11-22 | Retractor for neurosurgery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721570907.7U CN208426148U (en) | 2017-11-22 | 2017-11-22 | Retractor for neurosurgery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208426148U true CN208426148U (en) | 2019-01-25 |
Family
ID=65104450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721570907.7U Expired - Fee Related CN208426148U (en) | 2017-11-22 | 2017-11-22 | Retractor for neurosurgery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208426148U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113171143A (en) * | 2021-04-29 | 2021-07-27 | 王畅 | Thyroid gland retracting equipment |
-
2017
- 2017-11-22 CN CN201721570907.7U patent/CN208426148U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113171143A (en) * | 2021-04-29 | 2021-07-27 | 王畅 | Thyroid gland retracting equipment |
| CN113171143B (en) * | 2021-04-29 | 2022-12-13 | 王畅 | Thyroid gland retracting equipment |
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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: 20190125 Termination date: 20201122 |