CN101606861B - Screwdriver containing clamp pin in hand surgery - Google Patents
Screwdriver containing clamp pin in hand surgery Download PDFInfo
- Publication number
- CN101606861B CN101606861B CN2009100899632A CN200910089963A CN101606861B CN 101606861 B CN101606861 B CN 101606861B CN 2009100899632 A CN2009100899632 A CN 2009100899632A CN 200910089963 A CN200910089963 A CN 200910089963A CN 101606861 B CN101606861 B CN 101606861B
- Authority
- CN
- China
- Prior art keywords
- screwdriver
- dop
- section
- left end
- cutting ferrule
- 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
- 238000002683 hand surgery Methods 0.000 title claims abstract description 26
- 210000003205 muscle Anatomy 0.000 claims description 3
- 238000009827 uniform distribution Methods 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 206010044565 Tremor Diseases 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
Images
Landscapes
- Surgical Instruments (AREA)
Abstract
The invention provides a screwdriver containing a clamp pin in hand surgery, comprising a step shaft type screwdriver rod 11, a hollow step shaft type clamping head 12 and a hollow step shaft type clamping sleeve 13, wherein, the left end of the step shaft type screwdriver rod 11 is a connecting part, the right end thereof is a screwdriver and the middle section thereof is a larger diameter section; the inner hole of the hollow step shaft type clamping head 12 is a step hole, the larger hole diameter section of the right end thereof is matched with the larger diameter section of the screwdriver rod, and the right end of the hollow step shaft type clamping head 12 is provided with a ring groove; the left end of the outer wall of the clamping head is convexly provided with a handle, the right end thereof is a conical head part which is expanded toward the end, and the middle section thereof is a larger outer diameter section; the wall of a shaft cylinder of the right end of the clamping head is processed with a plurality of long grooves; and the inner hole of the hollow step shaft type clamping sleeve 13 is a step hole, and the larger hole diameter section of the left end thereof is matched with the larger diameter section of the clamping head. The screwdriver has the beneficial effects of being capable of holding a medical screw stably and firmly, having simple and convenient operation, bringing convenience for use of doctors, having simple structure and being convenient to carry out production and manufacture, thus controlling cost.
Description
Technical field
The present invention relates to a kind of screwdriver containing clamp pin in hand surgery, especially a kind of can be firm easily stable screwdriver containing clamp pin in hand surgery that grasps screw.
Background technology
Hands surgical operation, the operation of cranium jaw face now all needs to use 1.5,2.0 screws.1.5, the characteristics of 2.0 screws are thin and lack, the head of a nail approaches, the cross recess on the head of a nail is shallow.When being screwed into screw, grasped certain degree of difficulty with screwdriver.If when carrying out the clear inadequately or complicated operation in art open country, grasp shakiness and drop accidentally, consequence is hardly imaginable.
Mainly contain two types at market left-hand seat surgical operation screwdriver at present: a kind of is import, and nail folder and screwdriver bar form a whole, and can grasp screw fast, and afterbody also can be connected on the fast catcher handle fast.The benefit of this device is to use conveniently, but complex structure costs an arm and a leg; Another kind is to join a simple spring chuck 02 on screwdriver bar 01, as shown in Figure 1.This screwdriver grasps the screw instability, and loses control of direction, and undue force just has the danger that screw drops slightly.
Summary of the invention
Main purpose of the present invention is to improve the deficiencies in the prior art, provides a kind of and can firmly easily stablize the screwdriver containing clamp pin in hand surgery that grasps screw.
For realizing described purpose, the present invention by the following technical solutions:
A kind of screwdriver containing clamp pin in hand surgery comprises:
One step shaft type screwdriver bar, its left end is a junction, and right-hand member is a cross screwdriver head, and the centre is provided with one than enlarged diameter section;
One hollow step shaft type dop, its axial bore is a stepped hole, right-hand member larger aperture section cooperates than enlarged diameter section with described screwdriver bar, and an annular groove is arranged on the inner hole wall on the termination of this right-hand member, when the shaft shoulder than enlarged diameter section on the described screwdriver bar was fastened on the convex shoulder of dop stepped hole, the right-hand member head of described screwdriver bar was positioned on the described annular groove position; On the outer wall of described dop, the right-hand member of this dop has one section coniform head that enlarges to the termination, and the left end of this dop outer wall is convexly equipped with the leader, and the centre is provided with one than big outer diameter section; Be processed with some axial elongated slots on this dop right-hand member barrel;
The cutting ferrule of one hollow step shaft type; Its axial bore is a stepped hole, its left end larger aperture section cooperates than big outer diameter section with described dop centre is described, its right-hand member smaller aperture due section cooperates with the less external diameter section of dop right-hand member, the diameter of this smaller aperture due section is at least less than the maximum outside diameter of the coniform head of described dop right-hand member, the length of described cutting ferrule right-hand member smaller aperture due section is: when convex shoulder on described dop outer wall of the convex shoulder of the shoulder hole of cutting ferrule, the right output port of described cutting ferrule is positioned at the left side of described the above coniform head of dop, and can not push coniform head.
Described cutting ferrule is provided with anti-skidding annular knurl than big outer diameter section;
Described cutting ferrule has two elongated slots than big outer diameter section, and a muscle is arranged between two elongated slots;
Described cutting ferrule outer wall left end is than big outer diameter section;
Described dop also can be processed with some axial elongated slots on its left end barrel;
The described elongated slot that described dop left and right sides two end axles barrel is provided with, each end can have 4 and on circumference uniform distribution, form the cross elongated slot;
The described connecting portion that left end is provided with on the described screwdriver bar axially is processed with a planar on-circular cross-section section for one section for the left end at described screwdriver bar.
Beneficial effect of the present invention is: screwdriver containing clamp pin in hand surgery of the present invention satisfies on the basis of clinical user demand stablizing the firm medical screw that grasps, and characteristics simple to operation are arranged, for doctor's use has brought facility; And the present invention also has characteristic of simple structure, conveniently manufactures, thereby controls cost.
The invention will be further described below by accompanying drawing.
Description of drawings
Fig. 1 is the structural representation of screwdriver containing clamp pin in hand surgery of the prior art;
Fig. 2 is the structural representation of screwdriver containing clamp pin in hand surgery provided by the invention;
Fig. 3 is the structural representation of the screwdriver bar in the screwdriver containing clamp pin in hand surgery provided by the invention;
Fig. 4 is the structural representation of the dop in the screwdriver containing clamp pin in hand surgery provided by the invention;
Fig. 4 a is the sectional structure sketch map of dop shown in Figure 4;
Fig. 5 is the structural representation of the cutting ferrule in the screwdriver containing clamp pin in hand surgery provided by the invention;
Fig. 5 a is the sectional structure sketch map of cutting ferrule shown in Figure 5;
Fig. 6 is the sectional structure sketch map of screwdriver containing clamp pin in hand surgery provided by the invention;
Fig. 7 is to use screwdriver containing clamp pin in hand surgery provided by the invention to add the sketch map of holding screw.
The specific embodiment
As shown in Figure 2, the invention provides a kind of screwdriver containing clamp pin in hand surgery 10 that grasps screw, comprise a screwdriver bar 11, one dops 12 and a cutting ferrule 13.Dop 12 is set on the screwdriver bar 11, and cutting ferrule 13 is set on the dop 12.
As shown in Figure 3, screwdriver bar 11 is a step axle, its stage casing is than enlarged diameter section 112, at screwdriver bar left end is that afterbody is a connecting portion, it is a fast interface 111, and end portion is established annular groove, processes a plane on the awl bar of left end circular cross-section vertically, promptly make flat, be used for taking over handle soon and be connected with GN type hands surgery handle.Make that by this section on-circular cross-section section originally containing nail folder screwdriver is used with fast catcher handle in the use.Its right-hand member is that head is a cross screwdriver head 113, cooperates with the head of a nail cross recess of screw, is used for inlaying with screw head of a nail cross recess being connected, and prevents that it from moving axially thereby withstand screw, and drives screw threads then screw in operative site when this screwdriver of rotation.
Shown in Fig. 4,4a, dop 12 is a hollow step axle, its axial bore is a stepped hole, right-hand member larger aperture section 125 cooperates than enlarged diameter section 112 with described screwdriver bar 11, larger aperture section 125 right-hand members have an annular groove 126, be used for the ccontaining nut that adds the screw of holding, its head of a nail that act as the chucking screw prevent its rock and keep screw position accurately.The left side smaller aperture due section 124 of dop 12 endoporus matches with screwdriver bar left end diameter segment 114; Screwdriver bar 11 can move in dop 12 stepped holes vertically, can not radially move.When the left side shaft shoulder than enlarged diameter section 112 on the described screwdriver bar 11 was fastened on the convex shoulder of dop 12 stepped holes, the right-hand member head 113 of described screwdriver bar 11 was positioned on described annular groove 126 positions.On the outer wall of described dop 12, left end is that afterbody is convexly equipped with a boss as handle 121, is used for adjusting the axial location of dop on the screwdriver bar; Being provided with one section in the middle of the dop is than big outer diameter section 122; The right-hand member head has one section coniform head 123 that enlarges to the termination; Be processed with some axial elongated slots 123 ' on the barrel of the less external diameter section of this dop right-hand member, make this end beam barrel port become expansible and the elasticity port that closes up.This elongated slot can be a cross elongated slot 123 '.On the left end shaft barrel, also axial elongated slot can be set, it also can be a cross elongated slot 121 ', make the termination form pintongs, constitute elastic chuck, if adjusting left end in advance before the assembling is the opening and closing degree of boss end cross recess opening, can control the varying aperture amount of dop aperture section port, thereby play the effect of the frictional force between control dop 12 diameter segment 124 and the screwdriver bar 11 smaller aperture due sections 114.
As Fig. 5, shown in the 5a, cutting ferrule 13 is a hollow step axle, cutting ferrule 13 axial bore are stepped hole, it is set on the dop 12, cutting ferrule 13 left end larger aperture sections 135 cooperate with the big overall diameter section 122 of dop 12 left ends, right-hand member smaller aperture due section 134 cooperates with the less external diameter section of dop right-hand member, the diameter of this smaller aperture due section 134 of cutting ferrule 13 is at least less than the maximum outside diameter of the coniform head 123 of described dop 12 right-hand members, in the present embodiment, the diameter of smaller aperture due section 134 equals the minimum diameter of described coniform head 123, the right-hand member of cutting ferrule 13 to dop 12 moved, the coniform head 123 that can push dop 12 makes its distortion, make this end beam barrel port become expansible and the elasticity port that closes up, the described coniform head 123 that enlarges to the termination that is provided with on the outer wall of dop 12 right parts cooperates with cutting ferrule 13 endoporus, thereby can make the folding of elastic tip mouth and tighten different big or small screws, and the screw that need not to grasp as prior art different size will be changed different bore dops, for use has brought facility.Dop 12 can move in the cutting ferrule stepped hole vertically, can not radially move.The length of cutting ferrule 13 right-hand member smaller aperture due sections is: when convex shoulder on dop 12 outer walls of the convex shoulder of the shoulder hole of cutting ferrule 13, the right output port of cutting ferrule 13 is positioned at the left side of described the above coniform head of dop, and can not push coniform head, and cutting ferrule is pushed away to the right, can compress the coniform head of dop, make its closing in pinching screw.Than enlarged diameter section the annular knurl ridge design is set at the cutting ferrule outer wall, convenient axial push-and-pull cutting ferrule.On the tube wall of cutting ferrule 13, have two elongated slots 131 and 132 vertically, one muscle 133 is arranged between two elongated slots, because described elongated slot is set on the cutting ferrule barrel, by knocking cutting ferrule, just can change the hole cross sectional shape of cutting ferrule easily, thus the frictional force between control cutting ferrule 13 and the dop 12.
Shown in Fig. 6,7, during assembling, earlier cutting ferrule 13 is inserted in from dop 12 right-hand members, close up at cutting ferrule 13 left ends then, cutting ferrule 13 can endwisely slip in dop 12 upper edges, and can not be stuck.Screwdriver bar 11 is pushed in dop 12 right-hand member holes, make cooperating than the larger aperture section 125 of enlarged diameter section 112 with dop 12 endoporus of screwdriver bar 11, screwdriver bar left end diameter segment 114 matches with the smaller aperture due section 124 of dop 12 endoporus.When the step of screwdriver bar is run into the step of dop shoulder hole, and the crosshead of screwdriver bar is when pushing against the screw cross recess, and the external diameter of the screw head of a nail is just in time aimed at the annular groove of dop at axial direction.
During clinical use, retreat dop 12 and cutting ferrule 13, dop 12 is opened, make the cross screwdriver head 113 of screwdriver bar 11 from the coniform head 123 of dop 12, expose (as shown in Figure 7); Cross screwdriver head 113 pushes against the cross screwdriver groove of the 1.5/2.0 screw A head of a nail, with the knurled segment of holding tight cutting ferrule 13, pass to screw orientation simultaneously, because frictional force is greater than the frictional force between dop 12 and the screwdriver bar 11 between cutting ferrule 13 and the dop 12, therefore, to reach, the convex shoulder of dop shoulder hole is with after the convex shoulder of screwdriver bar contacts dop 12 along screwdriver bar 11, this moment, the coniform head 123 interior annular grooves 126 of the screw head of a nail and dop 12 matched, and this moment, dop 12 was fixing; Continue firmly to push away cutting ferrule 13 downwards, then the coniform head 123 of the smaller aperture due section 134 extruding dops of cutting ferrule 13 makes receipts in it, holds the screw head of a nail tightly, and the screw head of a nail is embedded in annular groove 126, and the head of a nail can't be extracted.The cross screwdriver head 113 of screwdriver bar 11 has held out against the cross screwdriver groove of screw nail at this moment, therefore rotates screwdriver bar 11, can be screwed into screw.
When unclamping screw, only need to keep dop 12 motionless, to pusher, the coniform head 123 of dop 12 is unclamped cutting ferrule 13, get so that this screwdriver unclamps screw.
In addition, the present invention takes over handle soon as not connecting GN type hands surgery, and then fast interface 111 can be cancelled, and gets final product with handle in the affixed gripping of the left end of screwdriver bar.
As from the foregoing, the true screwdriver containing clamp pin in hand surgery of the present invention satisfies on the basis of clinical user demand stablizing firm 1.5,2.0 screws that grasp, unclamp, and characteristics simple to operation are arranged, for doctor's use has brought facility; And the true screwdriver containing clamp pin in hand surgery of the present invention also has characteristic of simple structure, conveniently manufactures, thereby controls cost.Described vertical elongated slot is provided with on dop and cutting ferrule, can be so that this screwdriver be adjusted its relative chucking degree easily, and what assurance was manipulated is reliable, convenient.
Described only is the true preferred embodiments of the present invention, be not to be used for limiting the true scope of application of the present invention, be that every equalization of being done based on the described shape of the true claim of the present invention, structure, feature and spirit changes and modification, all should be included in the true patent claim of the present invention.
Claims (8)
1. screwdriver containing clamp pin in hand surgery comprises:
One step shaft type screwdriver bar, its left end is a junction, and right-hand member is a cross screwdriver head, and the centre is provided with one than enlarged diameter section;
One hollow step shaft type dop, its axial bore is a stepped hole, right-hand member larger aperture section cooperates than enlarged diameter section with described screwdriver bar, and an annular groove is arranged on the inner hole wall on the termination of this right-hand member, when the shaft shoulder than enlarged diameter section on the described screwdriver bar was fastened on the convex shoulder of dop stepped hole, the right-hand member head of described screwdriver bar was positioned on the described annular groove position; On the outer wall of described dop, the right-hand member of this dop has one section coniform head that enlarges to the termination, and the left end of this dop outer wall is convexly equipped with the leader, and the centre is provided with one than big outer diameter section; Be processed with some axial elongated slots on this dop right-hand member barrel;
The cutting ferrule of one hollow step shaft type; Its axial bore is a stepped hole, its left end larger aperture section cooperates than big outer diameter section with described dop centre is described, its right-hand member smaller aperture due section cooperates with the less external diameter section of dop right-hand member, the diameter of this smaller aperture due section is at least less than the maximum outside diameter of the coniform head of described dop right-hand member, the length of described cutting ferrule right-hand member smaller aperture due section is: when convex shoulder on described dop outer wall of the convex shoulder of the shoulder hole of cutting ferrule, the right output port of described cutting ferrule is positioned at the left side of described the above coniform head of dop, and can not push coniform head.
2. screwdriver containing clamp pin in hand surgery as claimed in claim 1 is characterized in that, the left end of described screwdriver bar is a diameter segment, and the left end of described dop endoporus is the smaller aperture due section, and the diameter segment of this screwdriver bar cooperates with the smaller aperture due section of this dop endoporus.
3. screwdriver containing clamp pin in hand surgery as claimed in claim 1 is characterized in that, described dop also is processed with some axial elongated slots on its left end barrel.
4. as claim 1 or 2 or 3 described screwdriver containing clamp pin in hand surgery, it is characterized in that described axial elongated slot is 4, and on circumference uniform distribution, constitute the cross elongated slot.
5. as claim 1 or 2 or 3 described screwdriver containing clamp pin in hand surgery, it is characterized in that described cutting ferrule larger aperture section has two elongated slots vertically, and a muscle is arranged between two elongated slots.
6. screwdriver containing clamp pin in hand surgery as claimed in claim 1 is characterized in that, the described connecting portion that left end is provided with on the described screwdriver bar axially is processed with a planar on-circular cross-section section for one section for the left end at described screwdriver bar.
7. screwdriver containing clamp pin in hand surgery as claimed in claim 1 is characterized in that, described cutting ferrule outer wall left end is than big outer diameter section.
8. screwdriver containing clamp pin in hand surgery as claimed in claim 7 is characterized in that described cutting ferrule is provided with anti-skidding annular knurl than big outer diameter section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100899632A CN101606861B (en) | 2009-07-30 | 2009-07-30 | Screwdriver containing clamp pin in hand surgery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100899632A CN101606861B (en) | 2009-07-30 | 2009-07-30 | Screwdriver containing clamp pin in hand surgery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101606861A CN101606861A (en) | 2009-12-23 |
| CN101606861B true CN101606861B (en) | 2011-03-16 |
Family
ID=41480884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100899632A Expired - Fee Related CN101606861B (en) | 2009-07-30 | 2009-07-30 | Screwdriver containing clamp pin in hand surgery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101606861B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105434033B (en) * | 2014-09-30 | 2019-03-08 | 苏州微创脊柱创伤医疗科技有限公司 | One kind holding spike devices |
-
2009
- 2009-07-30 CN CN2009100899632A patent/CN101606861B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101606861A (en) | 2009-12-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6203926B2 (en) | Method and apparatus for guiding a suture | |
| WO2023071995A1 (en) | Control handle, instrument, and minimally invasive surgical robot | |
| CN201905963U (en) | Kirschner wire gripping head of medical hollow drill mobile phone | |
| WO2016173561A1 (en) | Kirschner wire bending device | |
| CN101606861B (en) | Screwdriver containing clamp pin in hand surgery | |
| CN201453369U (en) | Hand-surgery bolt driver containing nailed clamp | |
| CN210784557U (en) | Be applied to holder and fixed subassembly of centre gripping that cusp process was amputated | |
| CN203887728U (en) | Angle-adjustable needle nose pliers | |
| CN207139310U (en) | Collet with slidingtype compressing structure | |
| CN110327139A (en) | A kind of Invasive lumbar fusion device impactor | |
| CN103659697B (en) | Screwdriver capable of clamping screw | |
| CN208974061U (en) | A kind of fixing clamp for orthopedics department | |
| CN204931818U (en) | A kind of multi-functional bone holding forceps | |
| CN203579509U (en) | Screwdriver capable of clamping screws | |
| CN104816564B (en) | Use method of pen-holder clamp | |
| CN210962207U (en) | Gallbladder grasping forceps | |
| CN208709950U (en) | A kind of fixing glue implantation instrument | |
| CN106880388B (en) | Flexible and reliable chuck-separated microscopic hemostatic clamp | |
| CN217286027U (en) | Rod piece clamping device | |
| CN105581817A (en) | Needle forceps structure | |
| CN212083049U (en) | Screw-bone cement interface screw-out experiment testing assembly | |
| CN210335766U (en) | Nut breaking device | |
| CN205379360U (en) | Universal screw remove device of pedicle of vertebral arch | |
| CN205600326U (en) | Chuck | |
| CN213784919U (en) | Clamping device for raising crocodiles |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: BEIJING LIBEIER BIO-ENGINEERING INSTITUTE CO., LTD Free format text: FORMER OWNER: GUO QIAN Effective date: 20121012 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100089 HAIDIAN, BEIJING TO: 100176 DAXING, BEIJING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20121012 Address after: 100176 Beijing branch of Beijing economic and Technological Development Zone No. 2 201-220 Street 100 Patentee after: Beijing Libeier Bioengineering Research Institute Co., Ltd. Address before: Wanliu City No. 11 building, 100089 Beijing City, Haidian District Changchun Road No. 4 Building 804B Patentee before: Guo Qian |
|
| 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: 20110316 Termination date: 20160730 |