CN209678667U - A kind of guide pin clamper - Google Patents
A kind of guide pin clamper Download PDFInfo
- Publication number
- CN209678667U CN209678667U CN201920066545.0U CN201920066545U CN209678667U CN 209678667 U CN209678667 U CN 209678667U CN 201920066545 U CN201920066545 U CN 201920066545U CN 209678667 U CN209678667 U CN 209678667U
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- CN
- China
- Prior art keywords
- guide pin
- compact heap
- pedestal
- guide
- sliding block
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Abstract
The utility model relates to medical instruments fields, it is specifically related to a kind of guide pin clamper, including holder body and guide pin locking device, there is guide pin clamping part and grip part on the holder body, with one for placing the guide pinhole of guide pin on the guide pin clamping part, the guide pin locking device includes cocking mechanism, compact heap pedestal and guide pin compact heap, the compact heap pedestal is articulated on the guide pin clamping part of holder body, the guide pin compact heap is mounted on compact heap pedestal, and there is a seal face towards guide pin, the cocking mechanism and compact heap pedestal are drivingly connected, when triggering the trigger of cocking mechanism, the seal face of the guide pin compact heap can be tightly attached on the body of rod of guide pin and limit the displacement of guide pin, to solve the problems, such as that guide pin is easily pressed from both sides out pit in clamping by existing guide pin clamper.
Description
Technical field
The utility model relates to medical instruments fields, are specifically related to a kind of guide pin clamper.
Background technique
It is frequently necessary to guide pin being inserted into bone in the course of surgery or be drawn off, be usually to pass through T-type in the prior art
Hand handle or clamper clip guide pin and are inserted and removed from.But T-type hand handle can have that folder can loosely skid in clamping, and show
Some guide pin clampers, the guide pin clamper as disclosed in US05609596A and CN206315125U, when clamping guide pin
Compact heap and guide pin are directly point contacts, as soon as guide pin is easy to press from both sides out a pit, be will appear much on guide pin after multiple clamping
Pit, guide pin just needs to scrap after performing the operation several times, increases operation cost；In addition the adjusting screw rod in existing clamper is all matched with screw thread
The form of conjunction participates in clamping work, and adjusting screw rod stress when clamping is prone to wear greatly, this will affect its service life.
Utility model content
The utility model is intended to provide a kind of guide pin clamper, will easily be led with solving existing guide pin clamper in clamping
Needle presss from both sides out the problem of pit.
Concrete scheme is as follows:
A kind of guide pin clamper, including holder body and guide pin locking device have guide pin clamping on the holder body
Portion and grip part, with one for placing the guide pinhole of guide pin on the guide pin clamping part, the guide pin locking device includes pulling
Machine mechanism, compact heap pedestal and guide pin compact heap, the compact heap pedestal is articulated on the guide pin clamping part of holder body, described
Guide pin compact heap is mounted on compact heap pedestal, and has a seal face towards guide pin, the cocking mechanism and compact heap base
Seat is drivingly connected, and when triggering the trigger of cocking mechanism, the seal face of the guide pin compact heap can be tightly attached to the body of rod of guide pin
Go up and limit the displacement of guide pin.
Further, the bottom surface of the guide pin compact heap is cambered surface, and the seal face is located at the top surface opposite with the bottom surface
On, there is the first arc groove to match with the lower arcuate surface of guide pin compact heap, the guide pin pressure on the compact heap pedestal
Tight block is articulated on compact heap pedestal and the bottom surface of the guide pin compact heap offsets with the first arc groove, the guide pin compact heap energy
It is enough to be rotated in compact heap pedestal.
Further, the pin shaft hole of a strip is provided on the guide pin compact heap, a pin shaft will across the pin shaft hole
The guide pin compact heap is articulated on compact heap pedestal.
Further, there is one second arc groove, which exists on the seal face of the guide pin compact heap
Extend on seal face along the length direction of guide pin.
Further, the cocking mechanism includes trigger, connector, sliding block and supports stops, and the holder body is held
Holding has a guide groove in portion, the sliding block is mounted on grip part and can slide along guide groove, described to be fixedly mounted on to stops
On grip part, the upper end of the trigger and compact heap pedestal are pivotally connected, and the both ends of the connector are articulated in the upper of trigger respectively
On end and sliding block, the lower end of the sliding block offsets with to stops.
Further, described support on stops is additionally provided with an adjusting screw rod, and the adjusting screw rod can adjust sliding block and lead
Position on slot.
Further, it is provided with a lug boss on the connector, when guide pin does not clamp, the top of the adjusting screw rod
It can offset with the lug boss, and adjust position of the sliding block on guide groove, when guide pin clamps, the lug boss is not to adjusting spiral shell
Bar applies pressure.
Further, the sliding block and support stops between constitute inclined wedge retaining mechanism.
Further, the cocking mechanism further comprises return spring, and one end of the return spring is fixed to compact heap
On pedestal, the other end is fixed on grip part.
Further, the cocking mechanism further includes a spanner, and the spanner is articulated on the lower end of grip part, described
Spanner can act on the lower end of trigger when rotating, to drive trigger to move toward the direction far from grip part.
Guide pin clamper provided by the utility model has the advantage that the utility model provides compared with prior art
Guide pin clamper in gripping block and guide pin directly adopt face cooperation, increase the contact area between gripping block and guide pin,
Guide pin can effectively be clamped and guide pin is protected not suffer a loss, to lower operation cost.In addition, guide pin folder provided by the utility model
Holder replaces directly participating in clamping work with adjusting screw rod with inclined wedge locking mechanism, and adjusting screw rod does not stress when clamping, and
Do not allow more easy to wear with face cooperation, structure is more durable, and performance is more stable, and the service life is longer.
Detailed description of the invention
Fig. 1 shows the schematic diagram of guide pin clamper.
Fig. 2 shows the cross-sectional views of guide pin clamper.
Fig. 3 shows the schematic diagram of compact heap pedestal and guide pin compact heap.
Fig. 4 shows the schematic diagram of guide pin clamp holder clamping process status.
Fig. 5 shows the schematic diagram of guide pin clamp holder clamping state.
Specific embodiment
To further illustrate each embodiment, the utility model is provided with attached drawing.These attached drawings are in the utility model discloses
A part of appearance mainly to illustrate embodiment, and can cooperate the associated description of specification former come the running for explaining embodiment
Reason.Cooperation refers to these contents, and those of ordinary skill in the art will be understood that other possible embodiments and sheet are practical new
The advantages of type.Component in figure is not necessarily to scale, and similar component symbol is conventionally used to indicate similar component.
Now in conjunction with the drawings and specific embodiments, the present invention will be further described.
As shown in Figure 1, the utility model provides a kind of guide pin clamper, including holder body 10 and guide pin locking device
20, guide pin locking device 20 can clamp the guide pin 30 being located on holder body 10.Wherein, with reference to Fig. 2, the holder body
There is guide pin clamping part 100 and grip part 110, in the present embodiment, guide pin clamping part 100 and grip part 110 form class on 10
Like the contour structures of pistol, with one for placing the guide pinhole 102 of guide pin, the guide pinhole on the guide pin clamping part 100
The through-hole that 102 both ends pass through for guide pin 30 and can be supported to guide pin 30, and the middle part of guide pinhole 102 is then open slot
Shape, so that the gripping block on guide pin locking device 20 can support guide pin 30 only on cell wall to clamp guide pin 30.
Referring to figs. 2 and 3, the guide pin locking device 20 includes cocking mechanism 200, compact heap pedestal 220 and guide pin pressure
Tight block 240, the compact heap pedestal 220 are articulated on the guide pin clamping part 100 of holder body 10, in the present embodiment, are compressed
With the alar part 222 of a U-shaped on block pedestal 220, the alar part 222 that compact heap pedestal 220 passes through the U-shaped is articulated in guide pin clamping
In portion 100, the guide pin compact heap 240 is mounted on compact heap pedestal 220, and is located at the lower section of guide pin 30, and guide pin compresses
Block 240 has a seal face 242 towards guide pin, and the cocking mechanism 200 is drivingly connected with compact heap pedestal 220, works as triggering
When the trigger of cocking mechanism 200, the seal face 242 of the guide pin compact heap 240 can be tightly attached on the body of rod of guide pin 30 and limit
The displacement of guide pin 30 processed, guide pin 30 is clamped.Since guide pin compact heap 240 and guide pin 30 are face contacts, can keep away
Exempt from that guide pin is caused to damage when clamping, the service life of guide pin can be extended.
In the present embodiment, preferably, referring to figs. 2 and 3, the bottom surface 244 of the guide pin compact heap 240 is cambered surface, institute
It states seal face 242 to be located on the top surface opposite with the bottom surface 244, have and guide pin compact heap on the compact heap pedestal 220
The first arc groove 224 that lower arcuate surface 244 matches, the guide pin compact heap 240 be articulated on compact heap pedestal 22 and
The bottom surface 244 of the guide pin compact heap offsets with the first arc groove 224, and the guide pin compact heap 240 can be in compact heap pedestal
It is rotated on 220, so that guide pin compact heap 240 can be bonded with 30 body of rod whole face of guide pin during clamping.
It is preferably that the pin shaft hole 246 of a strip is provided on the guide pin compact heap 240, a pin shaft 40 passes through
The guide pin compact heap 240 is articulated on compact heap pedestal 220 by the pin shaft hole 246, and guide pin compact heap 240 can be in the pin of strip
It is slided in the range of axis hole 246, so that guide pin compact heap 240 can be rotated around pin shaft 40 during guide pin 30 clamps, and
It can also be slided in pin shaft hole 246, to ensure that the seal face 242 of guide pin compact heap 240 can be pasted with 30 body of rod whole face of guide pin
It closes.
It is another to be preferably, with reference to Fig. 3, there is one second arc groove on the seal face 242 of the guide pin compact heap
248, which extends on seal face along the length direction of guide pin 30, and the second arc groove 248 can be into one
The preventing of step crushes guide pin, and can increase the contact surface between the body of rod of guide pin 30 and seal face 242, its folder also can be improved
Clamp force.
In the present embodiment, another preferably, with reference to Fig. 2 and Fig. 4, the cocking mechanism 200 includes trigger 202, even
Fitting 204, sliding block 206 and stops 208 is supported, there is on the grip part 110 of the holder body guide groove 112, the sliding block 206
It is mounted on grip part 110 and can be slided along guide groove 112, the stops 208 that supports is fixedly mounted on grip part 110, described
The upper end of trigger 202 and compact heap pedestal 220 are pivotally connected, and the both ends of the connector 204 are articulated in the upper end of trigger 202 respectively
In portion and sliding block 206, the lower end of the sliding block 206 offsets with stops 208 is supported.
With reference to Fig. 4 and Fig. 5, when clamping guide pin 30, trigger 202 is exerted a force (in Fig. 4 toward 110 direction of handle part
Arrow direction), the top of trigger 202 up pushes up compact heap pedestal 220, so that the guide pin compact heap on compact heap pedestal 220
240 clamp guide pin 30, while connector 204 pushes sliding block 206 to slide down along guide groove 112, when trigger 202 fastens, support only
Block 208 is then by 206 locking of sliding block, to maintain guide pin clamped condition.
With reference to Fig. 4 and Fig. 5, preferably, described support on stops 208 is additionally provided with an adjusting screw rod 50, the adjusting screw rod
50 can adjust position of the sliding block 206 on guide groove 112, and the variation of the position on guide groove 112 of sliding block 206 can synchronous change compression
The spacing of guide pin compact heap 240 on block pedestal 220 clamped between face and guide pin, to make the guide pin clamper that can be adapted to not
With the guide pin of size.
It is further preferred that a lug boss 2040 is provided on the connector 204, in guide pin 30 with reference to Fig. 4 and Fig. 5
When not clamping, the top of the adjusting screw rod 50 can offset with the lug boss 2040, according to the top of adjusting screw rod 50 and be somebody's turn to do
Position of the adjustable interval sliding block 206 on guide groove between lug boss 2040, when guide pin 30 clamps, the lug boss 2040
Pressure is not applied to adjusting screw rod 50, i.e., in the clamp state, adjusting screw rod 50 is simultaneously not involved in clamping work, and adjusting screw rod 50 is not
Stress, therefore can guarantee the service life of adjusting screw rod 50.
More optimizedly, it with reference to Fig. 4 and Fig. 5, the sliding block 206 and to inclined wedge retaining mechanism is constituted between stops 208, that is, slides
The lower end of block 206 is wedge structure, to a wedge groove is formed between stops 208 and grip part 110, when sliding block 206 slides down
It is that the lower end of sliding block 206 is inserted into wedge groove internal locking.
With reference to Fig. 4 and Fig. 5, preferably, the cocking mechanism 200 further comprises return spring 209, the return spring
209 one end is fixed on compact heap pedestal 220, and the other end is fixed on grip part 110.
With reference to Fig. 4 and Fig. 5, preferably, the cocking mechanism 200 further includes a spanner 207, the spanner 207 is articulated in
On the lower end of grip part 110, the spanner 207 can act on the lower end of trigger 202 when rotating, to drive trigger
202 move toward the direction far from grip part 110, in order to unclamp guide pin 30.
Although specifically showing and describing the utility model in conjunction with preferred embodiment, those skilled in the art is answered
This is understood, in the spirit and scope for not departing from the utility model defined by the appended claims, in form and details
On the utility model can be made a variety of changes, be the protection scope of the utility model.
Claims (10)
1. a kind of guide pin clamper, it is characterised in that: including holder body and guide pin locking device, have on the holder body
Guide pin clamping part and grip part, with one for placing the guide pinhole of guide pin, the guide pin locking dress on the guide pin clamping part
It sets including cocking mechanism, compact heap pedestal and guide pin compact heap, the compact heap pedestal is articulated in the guide pin clamping of holder body
In portion, the guide pin compact heap is mounted on compact heap pedestal, and have a seal face towards guide pin, the cocking mechanism with
Compact heap pedestal is drivingly connected, and when triggering the trigger of cocking mechanism, the seal face of the guide pin compact heap, which can be tightly attached to, is led
On the body of rod of needle and limit the displacement of guide pin.
2. guide pin clamper according to claim 1, it is characterised in that: the bottom surface of the guide pin compact heap is cambered surface, institute
It states seal face to be located on the top surface opposite with the bottom surface, there is the lower arcuate surface phase with guide pin compact heap on the compact heap pedestal
Matched first arc groove, the guide pin compact heap is articulated on compact heap pedestal and the bottom surface of the guide pin compact heap and the
One arc groove offsets, which can rotate on compact heap pedestal.
3. guide pin clamper according to claim 2, it is characterised in that: be provided with a strip on the guide pin compact heap
Pin shaft hole, a pin shaft pass through the pin shaft hole guide pin compact heap is articulated on compact heap pedestal.
4. guide pin clamper according to claim 2, it is characterised in that: have one on the seal face of the guide pin compact heap
Second arc groove, second arc groove extend on seal face along the length direction of guide pin.
5. guide pin clamper according to claim 1, it is characterised in that: the cocking mechanism include trigger, connector,
Sliding block and stops is supported, there is a guide groove, the sliding block is mounted on grip part and being capable of edge on the grip part of the holder body
Guide groove sliding, the stops that supports are fixedly mounted on grip part, and the upper end of the trigger and compact heap pedestal are pivotally connected, the company
The both ends of fitting are articulated in respectively on the upper end and sliding block of trigger, and the lower end of the sliding block offsets with to stops.
6. guide pin clamper according to claim 5, it is characterised in that: described support on stops is additionally provided with an adjusting spiral shell
Bar, the adjusting screw rod can adjust position of the sliding block on guide groove.
7. guide pin clamper according to claim 6, it is characterised in that: be provided with a lug boss, In on the connector
When guide pin does not clamp, the top of the adjusting screw rod can offset with the lug boss, and adjust position of the sliding block on guide groove, when
When guide pin clamps, the lug boss does not apply pressure to adjusting screw rod.
8. guide pin clamper according to claim 7, it is characterised in that: the sliding block and to constituting wedge lock between stops
Tight mechanism.
9. guide pin clamper according to claim 6, it is characterised in that: the cocking mechanism further comprises return spring,
One end of the return spring is fixed on compact heap pedestal, and the other end is fixed on grip part.
10. guide pin clamper according to claim 5, it is characterised in that: the cocking mechanism further includes a spanner, described
Spanner is articulated on the lower end of grip part, and the spanner can act on the lower end of trigger when rotating, to drive trigger
It is moved toward the direction far from grip part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920066545.0U CN209678667U (en) | 2019-01-16 | 2019-01-16 | A kind of guide pin clamper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920066545.0U CN209678667U (en) | 2019-01-16 | 2019-01-16 | A kind of guide pin clamper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209678667U true CN209678667U (en) | 2019-11-26 |
Family
ID=68598899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920066545.0U Active CN209678667U (en) | 2019-01-16 | 2019-01-16 | A kind of guide pin clamper |
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| Country | Link |
|---|---|
| CN (1) | CN209678667U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113349855A (en) * | 2021-07-12 | 2021-09-07 | 苏州法兰克曼医疗器械有限公司 | Laborsaving anastomat with prevent maloperation function |
-
2019
- 2019-01-16 CN CN201920066545.0U patent/CN209678667U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113349855A (en) * | 2021-07-12 | 2021-09-07 | 苏州法兰克曼医疗器械有限公司 | Laborsaving anastomat with prevent maloperation function |
| CN113349855B (en) * | 2021-07-12 | 2022-04-15 | 苏州法兰克曼医疗器械有限公司 | Laborsaving anastomat with prevent maloperation function |
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