CN208988984U - Breast flap arc-shaped draw hook - Google Patents
Breast flap arc-shaped draw hook Download PDFInfo
- Publication number
- CN208988984U CN208988984U CN201820121896.2U CN201820121896U CN208988984U CN 208988984 U CN208988984 U CN 208988984U CN 201820121896 U CN201820121896 U CN 201820121896U CN 208988984 U CN208988984 U CN 208988984U
- Authority
- CN
- China
- Prior art keywords
- stud
- hook
- sliding block
- movable hook
- arm portion
- 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
- 210000000481 breast Anatomy 0.000 title claims abstract description 16
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 27
- 239000010959 steel Substances 0.000 claims abstract description 27
- 230000006835 compression Effects 0.000 claims abstract description 11
- 238000007906 compression Methods 0.000 claims abstract description 11
- 230000000694 effects Effects 0.000 claims abstract description 9
- 230000008878 coupling Effects 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 230000007246 mechanism Effects 0.000 claims description 8
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 238000013461 design Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 206010006187 Breast cancer Diseases 0.000 description 3
- 208000026310 Breast neoplasm Diseases 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 210000000683 abdominal cavity Anatomy 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 210000005036 nerve Anatomy 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
Landscapes
- Orthopedics, Nursing, And Contraception (AREA)
Abstract
The utility model relates to a kind of breast flap arc-shaped draw hooks, component is harrowed including the bent frame with lever and hook, the locker that hook harrows component includes having hollow vestibule, the stud of operation portion is twisted with hand in rear end, the hollow vestibule of stud has through the port of stud front end, activity maintains the press steel ball that can protrude stud front end in the port of hollow vestibule, press steel ball is combined with driving, and it protrudes stud front end, the compressed fit pre-compressed spring intracavitary in hollow hole, stud screws in the compression screw hole of slider top, press steel ball is compressed through pre-compressed spring to be matched with movable hook rabble arm portion and provides the precompression oppressed in sliding block and movable hook rabble arm portion simultaneously in bent frame, the front end of stud, which compresses to be matched with movable hook rabble arm portion and oppress sliding block and movable hook rabble arm portion simultaneously, is fixed on bent frame.Sliding block and hook are harrowed, precompression is provided, guarantees that sliding block and hook rake can also reach certain position holding capacity under for locking state, the stability for having the advantages that adjusting is easy to operate and assembling is good.
Description
Technical field
The utility model relates to the field of medical instrument technology, are specifically that breast flap used in operation on breast is drawn
Hook.
Background technique
At present in China and worldwide, breast cancer is frequently-occurring disease, common disease.The principle of reatment of breast cancer be with
Complex treatment based on surgical operation.Clinically, the main art formula that mammary cancer surgery uses at present is the improvement radical cure of radical-ability
Art.In the operation, the operation for being related to flap incision usually needs half an hour or more, and in most of time, needs a people double
Hand is plus another people's one hand dedicated for the drag hook of flap.And the work of drag hook is a kind of to need to keep for a long time to continue pulling force
Technology content is high, the higher mechanical work of physical fitness requirement.
Help to appear in the conventional technology notch or appear surgical field of view drag hook instrument it is not within minority, but make a general survey of existing
Instrument, still have the shortcomings that more obvious: some need is fixed on the bed thick stick of operating bed, inconvenience operation；Some bodies are huge, fit
In the exposure of the deeps such as abdominal cavity: the training characteristic having is obvious, such as vein retractor, nerve hook.To solve in operation on breast without suitable
Drawing flap drag hook.It sets out according to the actual situation and devises the arc-shaped flap drag hook of main body, and November 29 in 2010
Disclosed in the patent document of the Patent No. CN 201010564809.9 of day progress patent application "It is a kind of with movable hook rake Breast flap arc-shaped draw hook" (Authorization Notice No. CN102018543B), primary structure is the frame-shaped main body using arc, frame-shaped
Main body includes two curved tracks, and frame-shaped main body is equipped with several hooks and harrows component, and hook rake component includes sliding block, movable hook rake and adds
Screw is pressed, sliding block slide-and-guide cooperates in frame-shaped main body, and sliding block is equipped with activity sets of holes corresponding with the radial direction of frame-shaped main body,
The shank insertion movable hook of movable hook rake harrows sets of holes and between bent frame and slider top, and the briar tooth portion of movable hook rake refers to
To the center of circle of bent frame, slider top is provided with compression screw hole, and screwing compression screw can be same by sliding block and movable hook rabble arm portion
When compressing be fixed on bent frame.Curved body design adapts to the traction of breast flap and uses, and will not interfere surgical procedure and interference
Sight, movable hook rake through sliding block and and be adjusted on sliding block, adapt to operation demand.But it still has following defect:
The pressurized screw of locking of its sliding block and hook rake, compression screw is using common hand the turn of the screw (through in its attached drawing
Can intuitively find out) it carries out, at the initial stage of adjusting, needs to release compression screw and coupling mechanism force is harrowed to sliding block and hook, so as to cause sliding block
It is harrowed with hook and is easy displacement, made troubles to the holding determination of position after adjusting, simultaneously because hook harrows the movable adjusting on sliding block,
When not locking, there are the risks that hook harrows abjection sliding block.
Summary of the invention
The present utility model purpose: to overcome defect of the existing technology, the utility model provides a kind of pair of sliding block
With hook harrow pressurization lock portion it is reasonable in design, to sliding block and hook rake provide precompression, guarantee sliding block and hook rake for lock
Also it can reach certain position holding capacity under state, the breast flap arc for adjusting the stability for operating and assembling is facilitated to draw
Hook.
To achieve the above object, the utility model provides following technical solution:
A kind of breast flap arc-shaped draw hook is set on bent frame along its curved profile including the bent frame with lever
There is the hook rake component of several position-adjustables, hook rake component includes sliding block and movable hook rake, and the cooperation of sliding block slide-and-guide exists
In frame-shaped main body, sliding block is equipped with activity sets of holes corresponding with the radial direction of frame-shaped main body, and the shank of movable hook rake is inserted into movable hook
Harrow sets of holes and between bent frame and slider top, the briar tooth portion of movable hook rake is directed toward the center of circle of bent frame, on sliding block
It is combined with the locker that sliding block and movable hook rabble arm portion are oppressed simultaneously and are fixed on bent frame, it is characterised in that: the lock
Tight device includes the stud with hollow vestibule, and the rear end of stud is equipped with the hand twisted for hand and twists operation portion, the hollow vestibule tool of stud
There is the activity in the port of stud front end, the port of the hollow vestibule of stud to maintain the press steel that can protrude stud front end
Pearl, press steel ball are combined with its pre-compressed spring for protruding stud front end of driving, and pre-compressed spring compressed fit is intracavitary in hollow hole,
Slider top is equipped with compression screw hole, and stud screws in compression screw hole, and the press steel ball of stud front end is compressed through pre-compressed spring
It is matched with movable hook rabble arm portion and provides and sliding block and movable hook rabble arm portion are oppressed into precompression in bent frame simultaneously, before stud
End, which compresses, to be matched with movable hook rabble arm portion and provides the locking oppressed sliding block and movable hook rabble arm portion simultaneously and be fixed on bent frame
Power.
By using above-mentioned technical proposal, in adjustment process (locker does not apply coupling mechanism force to sliding block and hook rake), in advance
Pressing spring and press steel ball provide movable hook rabble arm portion and sliding block being pressed on the precompression on bent frame so that sliding block and
Movable hook harrows position and keeps reliable, reduces the risk of movable hook rake abjection, while convenient for adjusting the progress of operation；It is completed adjusting
Afterwards, screwing in lock stud forces steel ball to bounce back, and the front end of stud is pressed on movable hook rabble arm portion and realizes sliding block and movable hook rabble arm portion
Bent frame is fixed in compressing simultaneously, and locker is compact-sized, and more original structure is compared, and outward appearance change is smaller, easy to process
When designing, while being reequiped on original instrument, locker can be only replaced.
Preferably, the hollow hole cavity rear end of the stud penetrates through stud, and the hollow hole cavity rear end of stud is equipped with internal screw thread, should
It is installed with pretightning force in internal thread hole and adjusts screw, pre-compressed spring is connected to pretightning force and adjusts on screw.Under structure design, in advance
The screw-in that clamp force adjusts screw, which screws out, realizes that adjusting pre-compressed spring is pressed on the spring force on steel ball, to adjust precompression.
Preferably, the hollow hole of the stud is intracavitary is equipped with the ball seat being located between press steel ball and pre-compressed spring, ball seat
It is intracavitary that slide-and-guide is matched with hollow hole.Under structure design, ball seat facilitates pre-compressed spring and presses the cooperation of steel ball, and makes
Pressing steel ball has good rolling characteristics, the adjusting of portable propelling hook rake.
Preferably, the stud front end ring has rubber around the port of hollow vestibule.Under structure design, rubber friction resistance
Power is big, is capable of providing good coupling mechanism force.
The utility model is further described with reference to the accompanying drawing.
Detailed description of the invention
Fig. 1 is the utility model specific embodiment breast flap arc-shaped draw hook structural schematic diagram；
Fig. 2 is that the utility model specific embodiment hook harrows component structure diagram；
Fig. 3 is the utility model specific embodiment locker structural schematic diagram.
Specific embodiment
Referring to attached drawing 1 ~ 3, a kind of breast flap arc-shaped draw hook disclosed by the utility model, the arc including having lever 11
Frame 1, bent frame 1 include two arc-shaped slide rail items 12, are attached, hold through attachment beam 13 between two arc-shaped slide rail items 12
Handle 11 designs the center in bent frame and is fixed on attachment beam 13, if being equipped on bent frame 1 along its curved profile
The hook of dry position-adjustable harrows component 2, and the quantity of hook rake component 2 can be set according to the actual situation, as attached drawing is set using 3
Meter, 3 or more can also be used certainly and design；Hook rake component 2 includes sliding block 21 and movable hook rake 22,21 slide-and-guide of sliding block
In frame-shaped main body 1, sliding block 21 is equipped with "convex" shaped groove 212 for cooperation, and sliding block 21 is mounted on arc-shaped slide rail through "convex" shaped groove
On item 12, sliding block 21 is equipped with activity sets of holes 210 corresponding with the radial direction of frame-shaped main body 1, and the shank 220 of movable hook rake 22 is inserted into
Movable hook harrows sets of holes 211 and between 21 top of bent frame 1 and sliding block, and the briar tooth portion 221 of movable hook rake 22 is directed toward arc
The center of circle of frame 1 is combined on sliding block 21 that sliding block 21 and movable hook are harrowed 22 shanks and oppressed simultaneously and is fixed on the lock of bent frame 1
Tight device 23, the locker 23 include the stud 231 with hollow vestibule, and the rear end of stud 231 is equipped with the hand twisted for hand and twists
Operation portion 232, hand, which twists operation portion 232, can be used tab style structure or cylindrical structure etc., twist stud, stud for convenience of hand
There is 231 hollow vestibule the activity in the port of 321 front end of stud, the port of the hollow vestibule 233 of stud 231 to maintain
The press steel ball 234 of 231 front end of stud can be protruded, i.e., the port of hollow vestibule 233 is the sphere diameter that diameter is less than press steel ball
Fore shaft 2331, press steel ball 234 are combined with its pre-compressed spring 235 for protruding 231 front end of stud of driving, and pre-compressed spring 235 compresses
It being matched in hollow vestibule 233, compression screw hole 211 is equipped at the top of sliding block 21, stud 231 screws in compression screw hole 211,
The press steel ball 234 of 231 front end of stud is compressed through pre-compressed spring 235 to be matched with movable hook 22 shanks of rake offer for sliding block 21 and lives
Dynamic hook is harrowed 22 shanks and is oppressed simultaneously in the precompression of bent frame 1, and the front end of stud 231, which compresses, is matched with movable hook 22 shanks of rake
The coupling mechanism force that sliding block 21 and movable hook 22 shanks of rake are oppressed simultaneously and are fixed on bent frame 1 is provided.(the locking in adjustment process
Device does not apply coupling mechanism force to sliding block and hook rake), pre-compressed spring and press steel ball provide movable hook rabble arm portion and sliding block being pressed on arc
Precompression on shape frame reduces the risk of movable hook rake abjection, together so that sliding block and movable hook rake position keep reliable
When convenient for adjust operation progress；After the completion of adjusting, screws in lock stud and steel ball is forced to bounce back, the front end of stud is pressed on movable hook
Rabble arm portion, which realizes simultaneously to oppress sliding block and movable hook rabble arm portion, is fixed on bent frame, and locker is compact-sized, more originally
Structure is compared, and outward appearance change is smaller, design easy to process, while when being reequiped on original instrument, can only replacement locker
?.In addition, press steel ball and spring are capable of providing certain coupling mechanism force.
233 rear end of hollow vestibule of the stud 231 penetrates through stud 231, and the hollow hole cavity rear end of stud 231 is equipped with interior spiral shell
Line is installed with pretightning force in the internal thread hole and adjusts screw 236, and pre-compressed spring 235 is connected to pretightning force and adjusts on screw 236.
The screw-in that pretightning force adjusts screw, which screws out, realizes that adjusting pre-compressed spring is pressed on the spring force on steel ball, to adjust precompression.
Further, intracavitary be equipped with of the hollow hole of the stud 231 is located between press steel ball 234 and pre-compressed spring 235
Ball seat 237, it is intracavitary that ball seat slide-and-guide is matched with hollow hole.Ball seat facilitates pre-compressed spring and presses the cooperation of steel ball, and makes
Steel ball must be pressed with good rolling characteristics, the adjusting of portable propelling hook rake.
To improve locking effect, 231 front end ring of stud has rubber 2312 around the port of hollow vestibule.Rubber friction
Resistance is big and has elasticity, is capable of providing good coupling mechanism force.
Claims (4)
1. a kind of breast flap arc-shaped draw hook is equipped on bent frame along its curved profile including the bent frame with lever
The hook of several position-adjustables harrows component, and hook rake component includes that sliding block and movable hook rake, sliding block slide-and-guide cooperate in frame
In shape main body, sliding block is equipped with activity sets of holes corresponding with the radial direction of frame-shaped main body, the shank insertion movable hook rake of movable hook rake
Sets of holes and between bent frame and slider top, the briar tooth portion of movable hook rake are directed toward the center of circle of bent frame, match on sliding block
Closing has the locker oppressed sliding block and movable hook rabble arm portion simultaneously and be fixed on bent frame, it is characterised in that: the locking
Device includes the stud with hollow vestibule, and the rear end of stud is equipped with the hand twisted for hand and twists operation portion, and the hollow vestibule of stud has
Through the port of stud front end, activity maintains the press steel ball that can protrude stud front end in the port of the hollow vestibule of stud,
Press steel ball is combined with its pre-compressed spring for protruding stud front end of driving, and pre-compressed spring compressed fit is intracavitary in hollow hole, in cunning
Compression screw hole is equipped at the top of block, stud screws in compression screw hole, and the press steel ball of stud front end is compressed through pre-compressed spring matches
It is provided together in movable hook rabble arm portion and sliding block and movable hook rabble arm portion is oppressed into the precompression in bent frame, the front end of stud simultaneously
It compresses and is matched with movable hook rabble arm portion the coupling mechanism force oppressed sliding block and movable hook rabble arm portion simultaneously and be fixed on bent frame is provided.
2. breast flap arc-shaped draw hook according to claim 1, it is characterised in that: the hollow hole cavity rear end of the stud penetrates through
Stud, the hollow hole cavity rear end of stud are equipped with internal screw thread, and pretightning force is installed in the internal thread hole and adjusts screw, pre-compressed spring supports
Pretightning force is connected to adjust on screw.
3. breast flap arc-shaped draw hook according to claim 1, it is characterised in that: the hollow hole of the stud is intracavitary to be equipped with position
Ball seat between press steel ball and pre-compressed spring, it is intracavitary that ball seat slide-and-guide is matched with hollow hole.
4. breast flap arc-shaped draw hook according to claim 1, it is characterised in that: the stud front end ring is around hollow vestibule
Has rubber in port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820121896.2U CN208988984U (en) | 2018-01-24 | 2018-01-24 | Breast flap arc-shaped draw hook |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820121896.2U CN208988984U (en) | 2018-01-24 | 2018-01-24 | Breast flap arc-shaped draw hook |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208988984U true CN208988984U (en) | 2019-06-18 |
Family
ID=66794329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820121896.2U Expired - Fee Related CN208988984U (en) | 2018-01-24 | 2018-01-24 | Breast flap arc-shaped draw hook |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208988984U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114916968A (en) * | 2022-03-21 | 2022-08-19 | 宜兴市人民医院 | Intelligent retractor fixer for neurosurgery |
-
2018
- 2018-01-24 CN CN201820121896.2U patent/CN208988984U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114916968A (en) * | 2022-03-21 | 2022-08-19 | 宜兴市人民医院 | Intelligent retractor fixer for neurosurgery |
| CN114916968B (en) * | 2022-03-21 | 2024-04-02 | 宜兴市人民医院 | Intelligent retractor fixer for neurosurgery |
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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: 20190618 |