CN208942221U - Retractor and sliding piece - Google Patents
Retractor and sliding piece Download PDFInfo
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- CN208942221U CN208942221U CN201721212135.XU CN201721212135U CN208942221U CN 208942221 U CN208942221 U CN 208942221U CN 201721212135 U CN201721212135 U CN 201721212135U CN 208942221 U CN208942221 U CN 208942221U
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- Prior art keywords
- sliding piece
- retractor
- retractor according
- sliding
- screw
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Abstract
The utility model provides a kind of retractor and sliding piece, is related to medical instruments field.The retractor includes driving device and two sliding pieces, and the driving device drives two sliding pieces to open and fix.The sliding piece is applied to retractor as described above, and the sliding piece is bent silver sheet metal.The utility model solves the technical issues of lacking one kind for intracerebral island leaf glioma difficult exposure, repetitious stimulation blood vessel easily causes vasopasm, and difficult exposure is with complete resection of intracerebral island leaf glioma operation retractor.
Description
Technical field
The utility model relates to the field of medical instrument technology, more particularly, to a kind of retractor and sliding piece.
Background technique
Retractor (retractors) is also known as drag hook, retracting tissue, appears operating field, can convenient for detecting and operating
It is divided into two class of hand-held drag hook and self-retractor.There is the specification of various different shapes and size, it is suitable to need to select according to operation
Drag hook.When using drag hook, correct tenaculum method and application method should be grasped, saline gauze pad or wet should be padded below drag hook
Treatment towel especially more should be noted that when using abdominal cavity retractor.Dressing liner can help to appear operating field, protect peripheral organs
And tissue is from damage.When using hand-held drag hook, drawing-in motion should be soft, avoids overexerting, according to the intention and hand of patient
Art process adjusts the position of drag hook in time, is most preferably appeared with reaching.
In present medical treatment, leaf glioma operation in intracerebral island is glioma one kind, and the surgery location is deep, peripheral vessels
It is more, it is a kind of operation new with challenge to neurosurgeon.When carrying out the operation, generally require to be sufficiently separated outside
It splits, the branch of interior arteria cerebri media is split in protection side, and reduces stimulation to the greatest extent, sufficient surgical field of view is exposed, and it is existing
Retractor, currently without the retractor for the operation of island leaf glioma, and hardness is big, is easy to damage blood vessel, and be difficult in difference
Angle exposure tumour.
Based on this, the utility model provides a kind of retractor and sliding piece to solve above-mentioned technical problem.
Utility model content
The purpose of this utility model is to provide a kind of retractors, are directed to solving the one kind existing in the prior art that lacks
The technical issues of intracerebral island leaf glioma operation retractor.
The purpose of this utility model, which also resides in, provides a kind of sliding piece, for solving above-mentioned technical problem.
Based on above-mentioned first purpose, the utility model provides a kind of retractor, including driving device and two sliding pieces,
The driving device drives two sliding pieces to open and fix.
Optionally, the driving device includes two drive rods and stretching mechanism；
One end of two drive rods is correspondingly connected with two sliding pieces respectively, the other end and the stretching mechanism
Fixed part rotation connection；
The working portion of the stretching mechanism is also connect with the middle part of two drive rods, and two connecting rods is driven to turn
It is dynamic.
Two drive rods push two sliding pieces respectively, and two sliding pieces is driven to open or close up.And two
The drive rod is driven by the stretching mechanism.Drive rod rotation connection, therefore when stretching mechanism promotion, thus it is possible to vary
The opening angle of the sliding piece of end, facilitates doctor to use.
Optionally, the stretching mechanism includes two connecting rods and pushing component；
One end of every connecting rod is hinged with the middle part of a drive rod, and the other end, which is rotated with pushing component, to be connected
It connects.
By the pushing component, the connecting rod is pushed, the drive rod is then pushed by connecting rod.Connecting rod
In the presence of being to apply the power opened and retracted to two sides to drive rod for convenience, facilitate its withdrawal.
Optionally, the pushing component includes fixed block, link block and lead-screw；
The end of two drive rods and the fixed block are rotatablely connected；
The end of two connecting rods and the link block are rotatablely connected；
Described lead-screw one end and the link block are rotatablely connected, and the other end is spirally connected with the fixed block.
Connecting rod is pushed by way of screw rod, can more effectively control the distance of promotion, to control sliding piece
Opening angle reaches the possible angle of doctor's demand.Meanwhile after opening up into certain angle, angle does not allow malleable, can
It is fixed on a specific angle, doctor can keep the surgical field of view needed for oneself, doctor is facilitated to perform the operation.
Optionally, the other end of the lead-screw is provided with swing handle.
By the way that the swing handle is arranged, the lead-screw is conveniently turned, to screw rod applied force, is turned convenient for control
Number is enclosed, to control the angle of opening.
Optionally, anti-skid chequer is provided on the swing handle.
Anti-skid chequer is set, is to be placed on the speed and circle number that doctor in rotation process preferably controls rotation.In hand
During art, the body fluid of the patients such as blood is had, if without anti-skidding processing, it is more likely that cause to turn excessive or sliding
Hand.
Optionally, the handle is cylindrical, and the end of the handle passes through slot and the lead-screw grafting.
The mode of grafting is implemented simply, easy to process, connects and also facilitates, and saves processing cost, and fixation is also stronger.
Optionally, the side of the drive rod is provided with inserting groove, and the end of the connecting rod is inserted into the inserting groove,
And it is hinged with the cell wall of the inserting groove.
The processing is simple for hinged mode, moreover, rotational structure is all located in the drive rod, therefore, and in the course of surgery,
The part for not having protrusion touches human brain, to guarantee the safety of operation.
Optionally, the sliding piece includes bending part, and the bending part and the drive rod are affixed.
Affixed by the bending part, fixed form is simple, easy to process, processing technology be not it is too complicated, it is at low cost.
Based on above-mentioned second purpose, the utility model provides a kind of sliding piece, and the sliding piece is applied to as described above
Retractor, the sliding piece be bent silver sheet metal.
The retractor provided by the utility model is applied among brain ... operation, by two sliding pieces, pushes aside
Arteries in human brain makes it open up into suitable degree, exposes enough surgical field of view, so that doctor be facilitated to carry out hand
Art.Whole device can push the arteries in human brain aside and keep opening, and holding has enough views in the course of surgery
It is wild.The size of sliding piece is answered moderate, should not be too large or too small.Its edge is required to rounding, and wedge angle cannot occur in guarantee.
Based on this, for the utility model compared with original technology, surgical field of view can sufficiently be exposed by having, and facilitate surgical
Advantage.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of retractor provided by the embodiment of the utility model；
Fig. 2 is the enlarged drawing in Fig. 1 at A；
Fig. 3 is the connected mode schematic diagram of drive rod and connecting rod；
Fig. 4 is the structural schematic diagram of sliding piece provided by the embodiment of the utility model.
Icon: 1- sliding piece；2- drive rod；3- connecting rod；4- fixed block；5- link block；6- lead-screw；7- turning handle
Hand；8- bending part；9- inserting groove；10- link slot.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
Retractor embodiment
Fig. 1 is that structural schematic diagram Fig. 2 of retractor provided by the embodiment of the utility model is the enlarged drawing in Fig. 1 at A；Figure
3 be the connected mode schematic diagram of drive rod and connecting rod.As shown in Figure 1-3, a kind of retractor is provided in the present embodiment, institute
Stating retractor includes driving device and two sliding pieces 1, and the driving device drives two sliding pieces 1 to open and fixes.
The retractor provided by the utility model is applied among brain ... operation, by two sliding pieces 1, dials
The arteries in human brain is opened, it is made to open up into suitable degree, exposes enough surgical field of view, so that doctor be facilitated to carry out
Operation.Whole device can push the arteries in human brain aside and keep opening, and holding has enough in the course of surgery
The visual field.The size of sliding piece 1 is answered moderate, should not be too large or too small.Its edge is required to rounding, and point cannot occur in guarantee
Angle.
Based on this, for the utility model compared with original technology, surgical field of view can sufficiently be exposed by having, and facilitate surgical
Advantage.
Such as Fig. 1-3, in the optinal plan of the present embodiment, the driving device includes two drive rods 2 and stretching mechanism；
One end of two drive rods 2 is correspondingly connected with two sliding pieces 1 respectively, the other end and the opening machine
The fixed part of structure is rotatablely connected；
The working portion of the stretching mechanism is also connect with the middle part of two drive rods 2, and two connecting rods is driven to turn
It is dynamic.
Two drive rods 2 push two sliding pieces 1 respectively, and two sliding pieces 1 is driven to open or close up.And two
Drive rod 2 described in root are driven by the stretching mechanism.Drive rod 2 is rotatablely connected, therefore when stretching mechanism pushes, can be with
The opening angle for changing the sliding piece 1 of end, facilitates doctor to use.
Further, the stretching mechanism includes two connecting rods 3 and pushing component；
One end of every connecting rod 3 is hinged with the middle part of a drive rod 2, and the other end is rotated with pushing component
Connection.
By the pushing component, the connecting rod 3 is pushed, the drive rod 2 is then pushed by connecting rod 3.Connection
The presence of bar 3 is to apply the power opened and retracted to two sides to drive rod 2 for convenience, facilitates its withdrawal.
Further, the pushing component includes fixed block 4, link block 5 and lead-screw 6；
The end of two drive rods 2 and the fixed block 4 are rotatablely connected；
The end of two connecting rods 3 and the link block 5 are rotatablely connected；
Described 6 one end of lead-screw and the link block 5 are rotatablely connected, and the other end is spirally connected with the fixed block 4.
Connecting rod 3 is pushed by way of screw rod, can more effectively control the distance of promotion, to control sliding piece 1
Opening angle, reach the possible angle of doctor's demand.Meanwhile after opening up into certain angle, angle does not allow malleable, energy
It is enough fixed on a specific angle, doctor can keep the surgical field of view needed for oneself, doctor is facilitated to perform the operation.
Preferably, the other end of the lead-screw 6 is provided with swing handle 7.
By the way that the swing handle 7 is arranged, the lead-screw is conveniently turned, to screw rod applied force, is turned convenient for control
Circle number, to control the angle of opening.
Further, anti-skid chequer is provided on the swing handle 7.
Anti-skid chequer is set, is to be placed on the speed and circle number that doctor in rotation process preferably controls rotation.In hand
During art, the body fluid of the patients such as blood is had, if without anti-skidding processing, it is more likely that cause to turn excessive or sliding
Hand.
Further, the handle is cylindrical, and the end of the handle passes through slot and the lead-screw grafting.
The mode of grafting is implemented simply, easy to process, connects and also facilitates, and saves processing cost, and fixation is also stronger.
Preferably, the side of the drive rod 2 is provided with inserting groove 9, and the inserting groove is inserted into the end of the connecting rod 3
In 9, and it is hinged with the cell wall of the inserting groove 9.
The processing is simple for hinged mode, moreover, rotational structure is all located in the drive rod 2, therefore, in surgical procedure
In, the part for not having protrusion touches human brain, to guarantee the safety of operation.
Preferably, the two sides of the link block are provided with link slot 10, and the company is inserted into the other end of the connecting rod 3
In access slot 10, and it is hinged with the link slot.
Likewise, hinged mode connects simply, it is also convenient for processing.
Such as Fig. 1, in the optinal plan of the present embodiment, the sliding piece 1 includes bending part 8, the bending part 8 and the drive
Lever 2 is affixed.
Affixed by the bending part, fixed form is simple, easy to process, processing technology be not it is too complicated, it is at low cost.
1 embodiment of sliding piece
Fig. 4 is the structural schematic diagram of sliding piece provided by the embodiment of the utility model.As shown in figure 4, the embodiment provides
A kind of sliding piece 1, the sliding piece 1 are applied to retractor as described above, and the sliding piece 1 is bent silver gold
Belong to thin slice.
The sliding piece 1 that the retractor of the application uses most preferably uses bent silver metal foil
Piece.This thin slice has certain hardness, can push aside and prop up brain tissue and artery.Meanwhile quality is also softer, Ke Yijin
Row is manually bent, and the change of shape is carried out, to be more suitable for different patients.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (9)
1. a kind of retractor, which is characterized in that including driving device and two sliding pieces, the driving device is driven described in two
Sliding piece is opened and is fixed；
The driving device includes two drive rods and stretching mechanism；
One end of two drive rods is correspondingly connected with two sliding pieces respectively, and the other end and the stretching mechanism are consolidated
Determine partial turn connection；
The working portion of the stretching mechanism is also connect with the middle part of two drive rods, drives two connecting rod rotations.
2. retractor according to claim 1, which is characterized in that the stretching mechanism includes two connecting rods and promotion group
Part；
One end of every connecting rod is hinged with the middle part of a drive rod, and the other end is rotatablely connected with pushing component.
3. retractor according to claim 2, which is characterized in that the pushing component includes fixed block, link block and pushes away
Dynamic screw rod；
The end of two drive rods and the fixed block are rotatablely connected；
The end of two connecting rods and the link block are rotatablely connected；
Described lead-screw one end and the link block are rotatablely connected, and the other end is spirally connected with the fixed block.
4. retractor according to claim 3, which is characterized in that the other end of the lead-screw is provided with turning handle
Hand.
5. retractor according to claim 4, which is characterized in that be provided with anti-skid chequer on the swing handle.
6. retractor according to claim 4, which is characterized in that the handle is cylindrical, and the end of the handle is logical
Cross slot and the lead-screw grafting.
7. retractor according to claim 2, which is characterized in that the side of the drive rod is provided with inserting groove, described
The end of connecting rod is inserted into the inserting groove, and hinged with the cell wall of the inserting groove.
8. retractor according to claim 1, which is characterized in that the sliding piece includes bending part, the bending part with
The drive rod is affixed.
9. a kind of sliding piece, which is characterized in that the sliding piece is applied to such as described in any item retractors of claim 1-8,
The sliding piece is bent silver sheet metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721212135.XU CN208942221U (en) | 2017-09-20 | 2017-09-20 | Retractor and sliding piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721212135.XU CN208942221U (en) | 2017-09-20 | 2017-09-20 | Retractor and sliding piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208942221U true CN208942221U (en) | 2019-06-07 |
Family
ID=66728741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721212135.XU Active CN208942221U (en) | 2017-09-20 | 2017-09-20 | Retractor and sliding piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208942221U (en) |
-
2017
- 2017-09-20 CN CN201721212135.XU patent/CN208942221U/en active Active
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