CN206214153U - Strength nucleus pulposus clamp - Google Patents
Strength nucleus pulposus clamp Download PDFInfo
- Publication number
- CN206214153U CN206214153U CN201620879301.0U CN201620879301U CN206214153U CN 206214153 U CN206214153 U CN 206214153U CN 201620879301 U CN201620879301 U CN 201620879301U CN 206214153 U CN206214153 U CN 206214153U
- Authority
- CN
- China
- Prior art keywords
- claw beam
- lower pliers
- nucleus pulposus
- head
- pliers head
- 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.)
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Links
- 210000000078 claw Anatomy 0.000 claims abstract description 64
- 210000000080 chela (arthropods) Anatomy 0.000 abstract description 7
- 230000001954 sterilising effect Effects 0.000 abstract description 5
- 238000004659 sterilization and disinfection Methods 0.000 abstract description 4
- 210000002105 tongue Anatomy 0.000 description 26
- 230000000694 effects Effects 0.000 description 9
- 210000003811 finger Anatomy 0.000 description 8
- 238000010276 construction Methods 0.000 description 3
- 210000005224 forefinger Anatomy 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 210000004932 little finger Anatomy 0.000 description 1
- 238000002324 minimally invasive surgery Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 210000003813 thumb Anatomy 0.000 description 1
Landscapes
- Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
Abstract
The utility model discloses a kind of strength nucleus pulposus clamp, including fixed handle, flexible handle, claw beam, lower pliers head and upper grip head, flexible handle is connected with fixed handle by axis of rotation, one end of claw beam is fixedly connected with lower pliers head, the other end is connected with fixed handle clamping, claw beam is provided with gathering sill with the junction of lower pliers head, the movable sheath being slidably matched with it is provided with gathering sill, connecting rod is provided with claw beam, one end of connecting rod is fixedly connected with movable sheath, the other end is provided with support division, the first return spring is socketed with connecting rod, first return spring is located between support division and the end face of claw beam, the outer face of support division abuts against with the upper end of flexible handle；There is first rotating shaft and the second rotating shaft, upper grip head is articulated and connected by first rotating shaft with gathering sill on upper grip head, be articulated and connected with movable sheath by the second rotating shaft.The utility model has the advantages that occlusion dynamics is strong, is easy to sterilization and a pincers dual-purpose.
Description
Technical field
The utility model is related to a kind of nucleus pulposus clamp, particularly a kind of strength nucleus pulposus clamp, belongs to medical instruments field.
Background technology
Nucleus pulposus clamp is the indispensable instrument of many Minimally Invasive Surgeries, and it is mainly used in the pincers in bone surgery and takes nucleus pulposus.Existing skill
Nucleus pulposus clamp in art is generally made up of handle, vice body, upper lower pliers head and connection seal wire, and the nucleus pulposus clamp of this structure has following several
Individual shortcoming：
First, not enough, the folding of upper lower pliers head is controlled occlusion dynamics by seal wire, and the closure of upper lower pliers head is typically by leading
What silk pulled upper grip head to realize, because seal wire is thinner, and this power for pulling back is unsuitable excessive, is otherwise likely to occur seal wire
Situation about being pulled off occurs, therefore the occlusion dynamics of upper lower pliers head is very limited, and certain risk is brought to operation；
Second, seal wire is thinner, and it is arranged in vice body, and vice body is that breed bacteria is easier in hollow-core construction, therefore vice body,
Inconvenience sterilization, and requirement of the operation tool to sterilization is very high；
3rd, the tong head up and down of existing nucleus pulposus clamp is relatively simple, is simple edge structure or simple sawtooth knot
Structure, function is more single；
4th, the handle of traditional nucleus pulposus clamp is flat construction, so in the case of long-time use, forefinger and middle finger
It is easy to generation to ache sense, uses very uncomfortable.
Utility model content
The purpose of this utility model is to provide a kind of strength nucleus pulposus clamp, and to solve technical problem of the prior art, it has
Have the advantages that occlusion dynamics is strong, be easy to cleaning and sterilizing and a pincers dual-purpose.
The utility model provide a kind of strength nucleus pulposus clamp, including fixed handle, flexible handle, claw beam, lower pliers head and on
Binding clip, flexible handle is connected with fixed handle by axis of rotation, and one end of claw beam is fixedly connected with lower pliers head, the other end with it is solid
Determine handle clamping connection, claw beam is provided with gathering sill, the activity being slidably matched with it is provided with gathering sill with the junction of lower pliers head
Sheath, is provided with connecting rod in claw beam, one end of connecting rod is fixedly connected with movable sheath, and the other end is provided with support division, is covered in connecting rod
It is connected to the first return spring, the first return spring is located between support division and the end face of claw beam, the outer face of support division and flexible handle
Upper end abut against；There is first rotating shaft and the second rotating shaft, upper grip head is hinged company by first rotating shaft and gathering sill on upper grip head
Connect, be articulated and connected with movable sheath by the second rotating shaft.
In foregoing strength nucleus pulposus clamp, it is preferable that there is claw beam connecting portion, claw beam connecting portion and fixed hand on fixed handle
Handle is integral type structure, and block tongue holding tank is equipped with the top and bottom of claw beam connecting portion inwall, is equipped with block tongue holding tank
Block tongue, block tongue is rotated with block tongue holding tank by bearing pin and is connected, and the second return spring, the two ends of the second return spring are socketed with bearing pin
It is separately fixed on bearing pin and block tongue；Claw beam is provided with the card being engaged with block tongue with the end of one end of claw beam connecting portion grafting
Groove.
In foregoing strength nucleus pulposus clamp, it is preferable that the cross sectional shape of the block tongue is right angled triangle, the inclined-plane court of block tongue
To the side where lower pliers head, bearing pin is connected with one of acute angle of block tongue.
In foregoing strength nucleus pulposus clamp, it is preferable that grab is provided with draw-in groove, block tongue is provided with the groove being engaged with grab.
In foregoing strength nucleus pulposus clamp, it is preferable that the end of lower pliers head is round end structure, there is outer cutting edge on lower pliers head
With the first sawtooth portion, outer cutting edge along lower pliers head end round end structure edge semicircular in shape structure setting, the first sawtooth portion sets
Put in the both sides of lower pliers head；The end of upper grip head is round end structure, has internal cutting sword and the second sawtooth portion, inscribe on upper grip head
Cut sword to be engaged with outer cutting edge, the second sawtooth portion is engaged with the first sawtooth portion.
In foregoing strength nucleus pulposus clamp, it is preferable that be respectively provided with accommodating chamber on lower pliers head and upper grip head.
In foregoing strength nucleus pulposus clamp, it is preferable that the outer wall of claw beam is provided with spacing preiection, spacing preiection is arranged far from
One end of lower pliers head.
In foregoing strength nucleus pulposus clamp, it is preferable that the outer wall of claw beam is provided with rotating wheel, rotating wheel is connected with spacing preiection
Connect, and positioned at spacing preiection near one end of lower pliers head.
In foregoing strength nucleus pulposus clamp, it is preferable that the outer wall of claw beam is provided with scale.
In foregoing strength nucleus pulposus clamp, it is preferable that groove is provided with the outside of flexible handle；The bottom of flexible handle is provided with hand
Refer to pressure pin.
Compared with prior art, the utility model replaces traditional seal wire using connecting rod, and improves closing for upper grip head
Conjunction mode, foward-push closure is changed to by traditional rear pull type closure, and increased movable sheath, effectively increases upper grip head with lower pincers
The occlusion dynamics of head, uses the utility model safer, more reliable.
Because connecting rod is thicker, space is smaller between connecting rod and the internal cavities of claw beam, it is not easy to breed bacteria, and holds
Easily sterilization, effective guarantee uses safety.
Cutting edge and sawtooth portion are equipped with lower pliers head and upper grip head, the utility model is accomplished that a pincers are dual-purpose.Due to
Groove is provided with flexible handle, forefinger and middle finger can be placed in one, can effectively alleviate traditional nucleus pulposus clamp and use for a long time
The sense of aching for being brought.
Be respectively provided with block tongue holding tank at the top and bottom of claw beam connecting portion inwall, so no matter upper grip head and lower pliers head court
On still can connect and fix down, nucleus pulposus clamp can normal work, expand nucleus pulposus clamp working range.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present utility model；
Fig. 2 is the structural representation of claw beam and one end of fixed handle phase clamping；
Fig. 3 is the structural representation of fixed handle, flexible handle and claw beam connecting portion；
Fig. 4 is the enlarged drawing in A portions in Fig. 3；
Fig. 5 is the structural representation of one end that claw beam is provided with lower pliers head；
Fig. 6 is the structural representation of upper grip head；
Fig. 7 is the structural representation that claw beam is provided with 2 draw-in grooves and grab.
Description of reference numerals：1- fixed handles, 2- flexible handles, 3- claw beams, 4- lower pliers heads, 5- upper grip heads, 6- gathering sills,
7- activity sheaths, 8- connecting rods, 9- support divisions, the return springs of 10- first, 11- first rotating shafts, the rotating shafts of 12- second, the connection of 13- claw beams
Portion, 14- block tongue holding tanks, 15- block tongues, 16- bearing pins, the return springs of 17- second, 18- draw-in grooves, 19- grabs, 20- grooves, 21- is circumscribed
Cut sword, the first sawtooth of 22- portion, 23- internal cutting swords, the second sawtooth of 24- portion, 25- accommodating chambers, 26- spacing preiections, 27- rotating wheels,
28- scales, 29- grooves, 30- finger pressure pins, 31- rotating shafts.
Specific embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein ad initio
Same or similar element or element with same or like function are represented to same or similar label eventually.Below by ginseng
The embodiment for examining Description of Drawings is exemplary, is only used for explaining the utility model, and can not be construed to of the present utility model
Limitation.
Embodiment of the present utility model：As shown in Fig. 1-and Fig. 6, a kind of strength nucleus pulposus clamp, including fixed handle 1, activity
Handle 2, claw beam 3, lower pliers head 4 and upper grip head 5, flexible handle 2 are rotated by rotating shaft 31 with fixed handle 1 and are connected, and the one of claw beam 3
End is fixedly connected with lower pliers head 4, and the other end is connected with the clamping of fixed handle 1, and claw beam 3 is provided with guiding with the junction of lower pliers head 4
It is provided with groove 6, gathering sill 6 and connecting rod 8 is provided with the movable sheath 7 being slidably matched with it, claw beam 3, one end and the activity of connecting rod 8
Sheath 7 is fixedly connected, and the other end is provided with support division 9, and the first return spring 10 is socketed with connecting rod 8, and the first return spring 10 is located at and supports
Hold between the end face of portion 9 and claw beam 3, the first return spring 10 is used to realize the self-return of connecting rod 8 so that upper grip head 5 with
Lower pliers head 4 is separated automatically, and outer face and the upper end of flexible handle 2 of support division 9 abut against, when operator is exerted oneself the activity of pinching with hand
During handle 2, flexible handle 2 31 is rotated around the shaft, and the direction where the downward binding clip 4 in its upper end rotates, while promoting the end of claw beam 3
Support division 9, support division 9 drives claw beam 3 to be slided to the direction of lower pliers head 4, realizes being engaged for upper grip head 5 and lower pliers head 4；Upper pincers
There is the rotating shaft 12 of first rotating shaft 11 and second, upper grip head 5 is articulated and connected by first rotating shaft 11 with gathering sill 6 on first 5, by the
Two rotating shafts 12 are articulated and connected with movable sheath 7.
Further, there is claw beam connecting portion 13, claw beam connecting portion 13 is integral type knot with fixed handle 1 on fixed handle 1
Structure, is equipped with block tongue holding tank 14, block tongue holding tank 14 at the top and bottom of the inwall of claw beam connecting portion 13 and is equipped with block tongue 15,
Block tongue 15 is rotated with block tongue holding tank 14 by bearing pin 16 and is connected, and the second return spring 17, the second return spring are socketed with bearing pin 16
17 two ends are separately fixed on bearing pin 16 and block tongue 15；The end of one end of claw beam 3 and the grafting of claw beam connecting portion 13 be provided with
The draw-in groove 18 that block tongue 15 is engaged.The cross sectional shape of the block tongue 15 is right angled triangle, and the inclined-plane of block tongue 15 is towards lower pliers head 4
The side at place, bearing pin 16 is connected with one of acute angle of block tongue 15.Grab 19 is provided with draw-in groove 18, block tongue 15 is provided with
The groove 20 being engaged with grab 19.
It should be noted that block tongue holding tank 14 is respectively provided with the top and bottom of the inwall of claw beam connecting portion 13, the structure
Can realize that two kinds of working conditions, i.e. lower pliers head 4 and upper grip head 5 working condition upward and lower pliers head 4 and upper grip head 5 are directed downwardly
Working condition, draw-in groove 18 and grab 19 on claw beam 3 can set one and may be alternatively provided as 2, as shown in fig. 7, being set to 2
When need to be symmetrical arranged, it is necessary to when claw beam 3 is taken out in the claw beam connecting portion 13, claw beam 3 only need to be rotated, by draw-in groove 18 and grab 19
Claw beam 3 is taken out by going to horizontality.The structure greatly expands the working range of nucleus pulposus clamp.
Further, the end of lower pliers head 4 is round end structure, has the sawtooth portion of outer cutting edge 21 and first on lower pliers head 4
22, outer cutting edge 21 along the end round end structure of lower pliers head 4 edge semicircular in shape structure setting, the first sawtooth portion 22 is arranged on down
The both sides of binding clip 4；The end of upper grip head 5 is round end structure, has the sawtooth portion 24 of internal cutting sword 23 and second on upper grip head 5, interior
Cutting edge 23 is engaged with outer cutting edge 21, and the second sawtooth portion 24 is engaged with the first sawtooth portion 22.Lower pliers head 4 and upper grip head 5
On be respectively provided with accommodating chamber 25.
It is easy to positioning when claw beam connecting portion 13 is inserted for the ease of claw beam 3, the present embodiment is set on the outer wall of claw beam 3
Spacing preiection 26, spacing preiection 26 is arranged far from one end of lower pliers head 4, i.e., the one end for being plugged with claw beam connecting portion 13.
Rotating wheel 27 is additionally provided with the outer wall of claw beam 3, rotating wheel 27 is connected with spacing preiection 26, and positioned at spacing preiection near lower pincers
First 4 one end.
In order to improve the success rate of operation, the present embodiment is provided with scale 28 also on the outer wall of claw beam 3, is easy to do not borrowing
Help the length in the insertion of Real Time Observation claw beam 3 human body in the case of external equipment；It is easy to improve comfortableness when using, solves length
The hand that brings of time operation is ached sense, and groove 29 is provided with the outside of flexible handle 2；The bottom of flexible handle 2 is provided with finger
Pressure pin 30.
Operation principle of the present utility model：When using in the circle structure of thumb insertion fixed handle 1, third finger insertion
In the circle structure of flexible handle 2, little finger is ridden on finger push rod 30, and the effect of finger push rod 30 is to be easy to hand more preferable
Have an effect, forefinger and middle finger are placed in 2 grooves 29, and groove 29 is prevented from prolonged operationses hand and aches；Firmly pinch activity
During handle 2, flexible handle 2 31 is rotated around the shaft, while promoting support division 9, support division 9 drives side of the connecting rod 8 to lower pliers head 4
To movement, while compressing the first return spring 10, movable sheath 7 is drawn close under the drive of connecting rod 8 to lower pliers head 4, and upper grip head 5 is the
Start to be rotated to the direction of lower pliers head 4 in the presence of one rotating shaft 11 and the second rotating shaft 12, until the two is closed；Release hand strength
Afterwards, in the presence of the first return spring 10, connecting rod 8 is moved to the direction away from lower pliers head 4, drives upper grip head 5 to rotate, finally
It is kept completely separate with lower pliers head 4, while support division 9 promotes flexible handle 2 to reset.
Construction of the present utility model, feature and action effect is described in detail according to the embodiment shown in schema above, with
Upper described is only preferred embodiment of the present utility model, but the utility model is not to limit practical range shown in drawing, it is every according to
According to the made change of conception of the present utility model, or the Equivalent embodiments of equivalent variations are revised as, still without departing from specification and figure
Show covered it is spiritual when, all should be in protection domain of the present utility model.
Claims (10)
1. a kind of strength nucleus pulposus clamp, including fixed handle (1), flexible handle (2), claw beam (3), lower pliers head (4) and upper grip head
(5), flexible handle (2) is rotated by rotating shaft (31) with fixed handle (1) and is connected, and one end of claw beam (3) is fixed with lower pliers head (4)
Connection, the other end is connected with fixed handle (1) clamping, it is characterised in that：Claw beam (3) is provided with the junction of lower pliers head (4) and leads
To groove (6), it is provided with gathering sill (6) in the movable sheath (7) being slidably matched with it, claw beam (3) and is provided with connecting rod (8), connecting rod
(8) one end is fixedly connected with movable sheath (7), and the other end is provided with support division (9), and connecting rod is socketed with the first return spring on (8)
(10), the first return spring (10) is between the end face of support division (9) and claw beam (3), the outer face of support division (9) and movable hand
The upper end of handle (2) abuts against；There is first rotating shaft (11) and the second rotating shaft (12), upper grip head (5) is by first on upper grip head (5)
Rotating shaft (11) is articulated and connected with gathering sill (6), is articulated and connected with movable sheath (7) by the second rotating shaft (12).
2. a kind of strength nucleus pulposus clamp according to claim 1, it is characterised in that：Connected with claw beam on fixed handle (1)
Portion (13), claw beam connecting portion (13) and fixed handle (1) are integral type structure, the top and bottom of claw beam connecting portion (13) inwall
It is equipped with and block tongue (15) is equipped with block tongue holding tank (14), block tongue holding tank (14), block tongue (15) is by bearing pin (16) and card
Tongue holding tank (14) rotates connection, and the second return spring (17), the two ends difference of the second return spring (17) are socketed with bearing pin (16)
It is fixed on bearing pin (16) and block tongue (15)；Claw beam (3) is provided with and block tongue with the end of one end of claw beam connecting portion (13) grafting
(15) draw-in groove (18) being engaged.
3. a kind of strength nucleus pulposus clamp according to claim 2, it is characterised in that：The cross sectional shape of the block tongue (15) is straight
Angle triangle, the side where the inclined-plane towards lower pliers head (4) of block tongue (15), one of them of bearing pin (16) and block tongue (15) is sharp
Angle is connected.
4. a kind of strength nucleus pulposus clamp according to claim 3, it is characterised in that：Grab (19) is provided with draw-in groove (18), is blocked
Tongue (15) is provided with the groove (20) being engaged with grab (19).
5. a kind of strength nucleus pulposus clamp according to claim 1, it is characterised in that：The end of lower pliers head (4) is round end structure,
There is outer cutting edge (21) and the first sawtooth portion (22), outer cutting edge (21) is along lower pliers head (4) end round end knot on lower pliers head (4)
The edge semicircular in shape structure setting of structure, the first sawtooth portion (22) is arranged on the both sides of lower pliers head (4)；The end of upper grip head (5)
It is round end structure, there is internal cutting sword (23) and the second sawtooth portion (24), internal cutting sword (23) and outer cutting edge on upper grip head (5)
(21) it is engaged, the second sawtooth portion (24) is engaged with the first sawtooth portion (22).
6. a kind of strength nucleus pulposus clamp according to claim 5, it is characterised in that：Have on lower pliers head (4) and upper grip head (5)
There is accommodating chamber (25).
7. a kind of strength nucleus pulposus clamp according to any one in claim 1-6, it is characterised in that：The outer wall of claw beam (3)
Spacing preiection (26) is provided with, spacing preiection (26) is arranged far from one end of lower pliers head (4).
8. a kind of strength nucleus pulposus clamp according to claim 7, it is characterised in that：The outer wall of claw beam (3) is provided with rotating wheel
(27), rotating wheel (27) is connected with spacing preiection (26), and positioned at spacing preiection (26) near one end of lower pliers head (4).
9. a kind of strength nucleus pulposus clamp according to claim 8, it is characterised in that：The outer wall of claw beam (3) is provided with scale
(28)。
10. a kind of nucleus pulposus clamp according to claim 9, it is characterised in that：Flexible handle is provided with groove on the outside of (2)
(29)；The bottom of flexible handle (2) is provided with finger pressure pin (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620879301.0U CN206214153U (en) | 2016-08-14 | 2016-08-14 | Strength nucleus pulposus clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620879301.0U CN206214153U (en) | 2016-08-14 | 2016-08-14 | Strength nucleus pulposus clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206214153U true CN206214153U (en) | 2017-06-06 |
Family
ID=58780304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620879301.0U Active CN206214153U (en) | 2016-08-14 | 2016-08-14 | Strength nucleus pulposus clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206214153U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111407223A (en) * | 2020-03-16 | 2020-07-14 | 南阳医学高等专科学校 | Dedicated ureter endoscope device of clinical medicine |
| CN114072081A (en) * | 2019-06-05 | 2022-02-18 | 乔伊马克斯有限责任公司 | Surgical needle kit and method of positioning surgical instrument |
-
2016
- 2016-08-14 CN CN201620879301.0U patent/CN206214153U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114072081A (en) * | 2019-06-05 | 2022-02-18 | 乔伊马克斯有限责任公司 | Surgical needle kit and method of positioning surgical instrument |
| CN111407223A (en) * | 2020-03-16 | 2020-07-14 | 南阳医学高等专科学校 | Dedicated ureter endoscope device of clinical medicine |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100000 Room 601, building 1, Jinzhuang courtyard 1, Haidian District, Beijing Patentee after: Beijing andesipu Technology Co.,Ltd. Address before: 100000 Room 601, building 1, Jinzhuang courtyard 1, Haidian District, Beijing Patentee before: BEIJING ANDESIKAOPU TRADE Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |