CN205006975U - Bone holding forceps - Google Patents
Bone holding forceps Download PDFInfo
- Publication number
- CN205006975U CN205006975U CN201520746678.4U CN201520746678U CN205006975U CN 205006975 U CN205006975 U CN 205006975U CN 201520746678 U CN201520746678 U CN 201520746678U CN 205006975 U CN205006975 U CN 205006975U
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- China
- Prior art keywords
- vertebral plate
- clamping part
- holding forceps
- bone holding
- transverse slat
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Abstract
The utility model provides a bone holding forceps, including (2) and clamping part (3) two pincers handles (1) in the area portion of gripping, two pincers handles (1) are articulated through round pin axle (4), and the tip of two clamping part (3) do not is equipped with exposed core (5), is formed with on the opposite face of two exposed core (5) inboard anti -skidding tooth (6). Tip through at the bone holding forceps clamping part sets up the exposed core to setting up anti -skidding tooth on the exposed core, can making bone holding forceps when the centre gripping vertebral plate, the interlock through anti -skidding tooth and vertebral plate realizes the good location to the vertebral plate. The prong of every anti -skidding tooth is little with the area of contact of vertebral plate, and pressure is big when the centre gripping, can bite into the vertebral plate well, makes it can not remove easily. In addition, the diaphragm structure of exposed core makes the exposed core bigger with the interlock area of vertebral plate, can realize the contact interlock through wideer scope and vertebral plate, makes the vertebral plate can not produce when the centre gripping and rotates the skew to avoid medical malpractice's emergence.
Description
Technical field
This utility model relates to medical apparatus and instruments field, specifically, relates to a kind of bone holding forceps.
Background technology
In spinal surgery, part operation needs to carry out laminectomy, the mode of excision can be similar to flip operation, after being blocked by the vertebral plate osseous tissue of multiple intercept, carries out entirety and removes, this osteotomy mode speed is fast, go out insufficiency of blood, in the operation removing vertebral plate, existing method utilizes towel forceps or vascular forceps to clamp facet upwards to mention, then the soft tissue progressively connected inside divided lamina completely, completes vertebral plate entirety and removes.
But towel forceps or vascular forceps when clamping vertebral plate and the contact area of vertebral plate less, after vertebral plate is blocked from spinal column, connect because soft tissue inside vertebral plate also has, when mentioning vertebral plate, cause vertebral plate to clamp unstable, easily formation is with the vertebral plate other end for axle rotates, and very easily causes dropping on spinal cord or in turning cylinder side to spinal cord formation extruding of vertebral plate, thus cause malpractice, therefore need a kind of can the bone holding forceps of stable holding vertebral plate.
Utility model content
In order to overcome above-mentioned technical problem, this utility model provides a kind of bone holding forceps, in order to improve the problem that vertebral plate drops when clamping.
To achieve these goals, the utility model proposes a kind of bone holding forceps, comprise two clamp handles of band grip part and clamping part, two described clamp handles pass through hinge, the end of two described clamping parts is respectively equipped with bare terminal end, and the opposite face inside two described bare terminal ends is formed with anti-slop serrations.
Preferably, described bare terminal end is the transverse slat structure of the horizontal expansion of vertical described clamping part axis.
Preferably, described anti-slop serrations is arranged at the both end sides of described transverse slat structure.
Preferably, described anti-slop serrations is the helical teeth structure tilted to described clamping part direction.
Preferably, described transverse slat structure comprises transverse slat and described anti-slop serrations, and described anti-slop serrations is removably connected with described transverse slat structure.
Preferably, two described transverse slat structure opposite face direction bendings to the inside, form angle with described clamping part.
Preferably, described transverse slat structure and described clamping part are hinged along overbending direction fore-aft adjustable ground.
Preferably, described clamping part is provided with locking device that can be fixing with described transverse slat structure.
Preferably, described clamping part is provided with the rotation section that clamping part can be made to realize bending.
Preferably, the opposite face of two described clamp handles is provided with the key seat that can mutually be engaged.
The bone holding forceps that this utility model provides, by arranging bare terminal end in the end of bone holding forceps clamping part, and arrange anti-slop serrations on bare terminal end, and bone holding forceps can be made when clamping vertebral plate, are engaged by anti-slop serrations and vertebral plate the good location realized vertebral plate.The crown of each anti-slop serrations and the contact area of vertebral plate little, when clamping, pressure is large, can bite vertebral plate well, make it move easily.In addition, the transverse slat structure of bare terminal end makes the occlusal contact area of bare terminal end and vertebral plate larger, can realize contacting by wider scope being engaged with vertebral plate, makes vertebral plate can not produce pivot offset when clamping, thus effectively avoids the generation of malpractice.
Accompanying drawing explanation
The structural representation of the bone holding forceps that Fig. 1 provides for this utility model embodiment;
The structural representation of the bone holding forceps of the band rotation section that Fig. 2 provides for this utility model embodiment and locking device;
The partial enlargement structural representation of the locking device opening of the bone holding forceps that Fig. 3 provides for this utility model embodiment;
The structural representation of the bone holding forceps clamping part bending state that Fig. 4 provides for this utility model embodiment;
The partial enlargement structural representation of the rotation section of the bone holding forceps that Fig. 5 provides for this utility model embodiment;
The bare terminal end of the bone holding forceps that Fig. 6 provides for this utility model embodiment adds the structural representation of long status;
The structural representation of the mesh antiskid tooth of the bone holding forceps that Fig. 7 provides for this utility model embodiment.
Description of reference numerals
1 clamp handle 2 grip part
3 clamping part 4 bearing pins
5 bare terminal end 51 positioning tooths
6 anti-slop serrations 7 key seats
8 locking device 9 rotation sections
Detailed description of the invention
Below with reference to the accompanying drawings embodiment of the present utility model is described.The element described in an accompanying drawing of the present utility model or a kind of embodiment and feature can combine with the element shown in one or more other accompanying drawings or embodiment and feature.It should be noted that for purposes of clarity, accompanying drawing and eliminate expression and the description of parts that have nothing to do with this utility model, known to persons of ordinary skill in the art or process in illustrating.
Below in conjunction with accompanying drawing, this utility model is described further.
As shown in Figure 1, the bone holding forceps that this utility model provides, two clamp handles, 1, two clamp handles 1 comprising band grip part 2 and clamping part 3 are hinged by bearing pin 4, the end of two clamping parts 3 is respectively equipped with bare terminal end 5, and the opposite face inside two bare terminal ends 5 is formed with anti-slop serrations 6.
At present, the instrument extracting vertebral plate in spinal surgery uses towel forceps or mosquito forceps usually, because the clamping part 3 of towel forceps or mosquito forceps is comparatively thin, when clamping vertebral plate, very little with the contact area of vertebral plate, be equivalent to point cantact, like this in the process of clamping vertebral plate, vertebral plate freely can rotate centered by clamping part, thus causes clamping unstable, even cause vertebral plate to come off, directly cause malpractice.
In this utility model, bare terminal end 5 is provided with in the end of clamping part 3, clamping face inside bare terminal end 5 is formed anti-slop serrations 6, the effect of anti-slop serrations 6 increases clamping bone forceps to the gmatjpdumamics of vertebral plate and fastening force, because bare terminal end 5 and vertebral plate are not point cantact state when clamping, the effect that restriction vertebral plate rotates can be played, when extracting vertebral plate, bare terminal end 5 contacts with vertebral plate, anti-slop serrations 6 is engaged fixing with vertebral plate, avoid vertebral plate rotate or come off, thus effectively can avoid the generation of malpractice.
Particularly, bare terminal end 5 is the transverse slat structure of the horizontal expansion of vertical clamping part 3 axis.
Bare terminal end 5 is set to the transverse slat structure of horizontal expansion, effectively can increase the locking effect of bare terminal end 5 pairs of vertebral plates, the scope of transverse slat structure horizontal expansion is larger, better to the locating effect of vertebral plate, can realize and the contacting on a large scale of vertebral plate, thus effectively avoid vertebral plate to rotate when clamping.
Shown in an embodiment of the present utility model, anti-slop serrations 6 is arranged at the both end sides of transverse slat structure.
When clamping vertebral plate, because vertebral plate is by the surface texture out-of-flatness of retaining part, anti-slop serrations 6 is arranged at the both end sides of transverse slat structure, the position in the middle of transverse slat structure can be made to be vacated, anti-slop serrations 6 realizes being engaged from both end sides and vertebral plate and fixes, can not occur because middle part has the lobe of vertebral plate the possibility that partial points contacts can realizing the stable holding to vertebral plate better.
As shown in Figure 6, the width of the transverse slat structure of bare terminal end 5 can suitably be widened according to demand, and width is larger, and the clamping range of itself and vertebral plate is larger, can more stably clamp longer vertebral plate.
Certainly, the part that the both sides of transverse slat structure arrange anti-slop serrations 6 can also bend to the inside, forms circular arc type semi-surrounding structure, can protrude anti-slop serrations 6 further like this, anti-slop serrations 6 can be contacted better with vertebral plate, thus abdicate the vertebral plate lobe at position between both sides anti-slop serrations 6.
Further, anti-slop serrations 6 is the helical teeth structure tilted to clamping part 3 direction.
Helical teeth structure is set, anti-slop serrations 6 can be made more effectively to lock vertebral plate, make vertebral plate difficult drop-off under the clamping of overhead kick shape helical teeth.In addition, as shown in Figure 7, anti-slop serrations 6 can also be set to network structure, and cancellated anti-slop serrations 6 can prevent the vertebral plate by clamping from sliding along the transverse direction of bare terminal end effectively, makes clamp position more firm.
Shown in an embodiment of the present utility model, transverse slat structure comprises transverse slat and anti-slop serrations 6, anti-slop serrations 6 can according to the helical teeth being set to different angles by the structure of clamping vertebral plate, profile of tooth and space width can set as required and separately, and change different anti-slop serrations 6 according to the actual requirements, the application of bone holding forceps can be made like this to be expanded, the clamping to vertebral plate can be not limited to.
Shown in an embodiment of the present utility model, two transverse slat structure opposite face direction bendings to the inside, form angle with clamping part 3.
Two transverse slat structures and clamping part 3 form angle, when clamping part 3 opens, two transverse slat structures are not in outwardly hatch frame, but when clamping part 3 is opened to certain angle, the inner side clamping face of two transverse slat structures forms the state be parallel to each other, the clamping effect of anti-slop serrations 6 pairs of vertebral plates can be made so better, and the power of outwards extruding being unlikely to form hatch frame and producing vertebral plate, vertebral plate is locked by more stable clamping.
Further, as shown in Figure 2, transverse slat structure and clamping part 3 are hinged along overbending direction fore-aft adjustable ground.
By transverse slat structure and clamping part 3 are set to hinged, transverse slat structure can be made to carry out angular adjustment as required, transverse slat structural base can arrange a connecting rod, by bearing pin through clamping part 3 and connecting rod, connecting rod is hinged on clamping part 3, thus realizes the angular adjustment of transverse slat structure.Connecting rod can only rely on frictional force and clamping part 3 to interfix.When clamping part 3 opens, according to concrete clamping needs, suitable bending is carried out to transverse slat structure and connecting rod, thus adapt to different from the vertebral plate that clamps or other object, the scope of application of bone holding forceps can be further expanded like this.
Further, as shown in Figure 2 and Figure 3, clamping part 3 is provided with locking device 8 that can be fixing with transverse slat structure.
As shown in the partial enlarged drawing of the locking device 8 of Fig. 3, bottom the connecting rod of transverse slat structure, positioning tooth 51 is set, clamping part 3 is arranged and to be rotationally connected with clamping part 3 and can the locking device 8 of locking positioning tooth 51, when transverse slat structure needs adjustment angle, open locking device 8, rotate transverse slat structure, the positioning tooth 51 bottom connecting rod can with angular deflection.After angle adjustment, rotation lock device 8, is inserted in positioning tooth 51, realizes the locking to positioning tooth 51, makes transverse slat structure locked, thus keeps steady statue.Particularly, locking device 8 can be lock pin, can also be slidably connected with clamping part 3 and can slide along clamping part 3 length direction and be inserted into the locking plate in positioning tooth 51.
Transverse slat structure can be made locked after adjusting angle by locking device, enable transverse slat structure bear larger clamping dynamics, there will not be the phenomenon deflected in use.
As shown in Figure 4, Figure 5, shown in an embodiment of the present utility model, described clamping part 3 is provided with the rotation section 9 that clamping part 3 can be made to realize bending.
Particularly, rotation section 9 is arranged on the middle part of clamping part axial direction, be equivalent to rotating shaft, the direction that rotation section 9 can make the position, top of clamping part 3 open along vertical bone holding forceps mouth swings, this kind of design can make the front end entirety of clamping part 3 realize bending, thus can extend in operation and do not allow accessible position, the range of application of bone holding forceps is further expanded.
Shown in an embodiment of the present utility model, the opposite face of two clamp handles 1 is provided with the key seat 7 that can mutually be engaged.
By arranging key seat 7, bone holding forceps can be made after clamping vertebral plate to realize locking, thus keep clamp position, not need artificially manually firmly, avoid, because of people's hand operated absent-mindedness, obscission occurs.
Further, key seat 7 as required, can be selected the key seat 7 of different length by the object clamped to difference, make the range of application of bone holding forceps wider.
The work process of brief description once bone holding forceps:
Bone holding forceps are when applying, first the key seat 7 be mutually engaged is opened, unlock state, transverse slat structure on bone holding forceps clamping part 3 is adjusted, after the bending angle of selected good transverse slat structure and clamping part 3, locking transverse slat structure, grip part 2 is separated to both sides, clamping part 3 and transverse slat structure are opened, the structural anti-slop serrations 6 of transverse slat is contacted with vertebral plate realize clamping, two grip parts 2 are drawn in centre, after determining clamping dynamics, key seat 7 is engaged mutually, thus realizes the clamping locking of bone holding forceps.When needing to unclamp bone holding forceps, first key seat 7 is removed interlocking pattern, clamping part 3 and transverse slat structure are opened, and are come off by the vertebral plate clamped.
The bone holding forceps that this utility model provides, by arranging bare terminal end 5 in the end of bone holding forceps clamping part 3, and arrange anti-slop serrations 6 on bare terminal end 5, and bone holding forceps can be made when clamping vertebral plate, are engaged by anti-slop serrations 6 and vertebral plate the good location realized vertebral plate.The crown of each anti-slop serrations 6 and the contact area of vertebral plate little, when clamping, pressure is large, can bite vertebral plate well, make it move easily.In addition, the transverse slat structure of bare terminal end makes bare terminal end 5 larger with the occlusal contact area of vertebral plate, can realize contacting by wider scope being engaged with vertebral plate, makes vertebral plate can not produce pivot offset when clamping, thus avoids the generation of malpractice.
Although described this utility model and advantage thereof in detail, be to be understood that and can have carried out various change when not exceeding the spirit and scope of the present utility model limited by appended claim, substituting and conversion.And the scope of the application is not limited only to the specific embodiment of process, equipment, means, method and step described by description.One of ordinary skilled in the art will readily appreciate that from disclosure of the present utility model, can use perform the function substantially identical with corresponding embodiment described herein or obtain and its substantially identical result, existing and that will be developed in the future process, equipment, means, method or step according to this utility model.Therefore, appended claim is intended to comprise such process, equipment, means, method or step in their scope.
Claims (10)
1. bone holding forceps, comprise two clamp handles (1) of band grip part (2) and clamping part (3), two described clamp handles (1) are hinged by bearing pin (4), it is characterized in that, the end of two described clamping parts (3) is respectively equipped with bare terminal end (5), and the opposite face of two described bare terminal end (5) inner sides is formed with anti-slop serrations (6).
2. bone holding forceps according to claim 1, is characterized in that, described bare terminal end (5) is the transverse slat structure of the horizontal expansion of vertical described clamping part (3) axis.
3. bone holding forceps according to claim 2, is characterized in that, described anti-slop serrations (6) is arranged at the both end sides of described transverse slat structure.
4. bone holding forceps according to claim 3, is characterized in that, described anti-slop serrations (6) is the helical teeth structure tilted to described clamping part (3) direction.
5. bone holding forceps according to claim 4, is characterized in that, described transverse slat structure comprises transverse slat and described anti-slop serrations (6), and described anti-slop serrations (6) is removably connected with described transverse slat structure.
6. bone holding forceps according to claim 5, is characterized in that, two described transverse slat structure opposite face direction bendings to the inside, form angle with described clamping part (3).
7. bone holding forceps according to claim 6, is characterized in that, described transverse slat structure and described clamping part (3) are hinged along overbending direction fore-aft adjustable ground.
8. bone holding forceps according to claim 7, is characterized in that, described clamping part (3) is provided with locking device that can be fixing with described transverse slat structure.
9. bone holding forceps according to claim 8, is characterized in that, described clamping part (3) is provided with the rotation section (9) that clamping part can be made to realize bending.
10. bone holding forceps according to claim 1, is characterized in that, the opposite face of two described clamp handles (1) is provided with the key seat (7) that can mutually be engaged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520746678.4U CN205006975U (en) | 2015-09-24 | 2015-09-24 | Bone holding forceps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520746678.4U CN205006975U (en) | 2015-09-24 | 2015-09-24 | Bone holding forceps |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205006975U true CN205006975U (en) | 2016-02-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520746678.4U Active CN205006975U (en) | 2015-09-24 | 2015-09-24 | Bone holding forceps |
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| CN (1) | CN205006975U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105105821A (en) * | 2015-09-24 | 2015-12-02 | 江苏水木天蓬科技有限公司 | Bone holding forceps |
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2015
- 2015-09-24 CN CN201520746678.4U patent/CN205006975U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105105821A (en) * | 2015-09-24 | 2015-12-02 | 江苏水木天蓬科技有限公司 | Bone holding forceps |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |