CN111714200A

CN111714200A - Orthopedic reduction needle threading guide forceps

Info

Publication number: CN111714200A
Application number: CN202010666141.2A
Authority: CN
Inventors: 黄磊; 潘康; 滕亦忠
Original assignee: Health Joy Medical Devices Co ltd
Current assignee: Health Joy Medical Devices Co ltd
Priority date: 2020-07-13
Filing date: 2020-07-13
Publication date: 2020-09-29

Abstract

The application relates to the technical field of orthopedic medical equipment, and aims to provide a reset needle threading guide clamp for orthopedics, which has the technical scheme that: the device comprises a first forceps handle and a second forceps handle which are hinged with each other, wherein the first forceps handle and the second forceps handle are respectively provided with a first forceps head and a second forceps head, a guide supporting rod is arranged between the first forceps head and the second forceps head, and the guide supporting rod is provided with a guide assembly for guiding a positioning needle to penetrate through the needle; be equipped with the dipperstick between first pincers handle and the second pincers handle, first pincers handle middle part is equipped with the first groove of stepping down that removes, and the one end of dipperstick articulates in the first groove of stepping down that removes, and the second removal groove of stepping down has been seted up at the middle part of second pincers handle, and the second removal groove of stepping down is worn to locate by the other end of dipperstick, and the second removes to step down the inslot and is equipped with the locking piece that is used for the fixed first pincers handle of locking and second pincers handle angle that opens and shuts. The invention has the advantages of flexible hand-held operation, stable positioning and guiding and accuracy, greatly reduces the times of X-ray fluoroscopy in the operation and improves the operation safety and the operation effect.

Description

Orthopedic reduction needle threading guide forceps

Technical Field

The application relates to the technical field of orthopedic medical equipment, in particular to a pair of orthopedic reduction needle threading guide forceps.

Background

In the surgical medical operation, the fracture or bone fracture part is often fixed by the internal fixation of a kirschner wire or a hollow nail, and a doctor finds out a proper needle inserting point according to the injury condition during the operation and then starts to insert the needle through the kirschner wire (or the hollow nail guide needle). In the process of needle insertion, on one hand, the needle insertion precision is not high and the operation effect is affected easily because the needle insertion needs to depend on the experience and the manipulation of doctors; on the other hand, the C-arm X-ray machine is required to perform multiple fluoroscopy to ensure that the position of the puncture needle is not deviated, so that the operation time is prolonged, doctors and patients suffer from longer irradiation time, and the health is not good. Therefore, further improvements are needed.

Disclosure of Invention

The application provides an orthopedics is with needle guide pincers that wear that resets, it is high to have handheld operation flexibility, and the location direction is stable, the advantage that the accuracy is good, has significantly reduced the number of times of carrying out X-ray perspective in the art, has improved operation security and operation effect.

The method is realized by adopting the following technical scheme:

the utility model provides an orthopedics is with needle direction pincers that wear that reset, includes first pincers handle, the second pincers handle of mutual articulated, first pincers handle top fixedly connected with binding clip, second pincers handle top fixedly connected with second binding clip, be provided with guide strut between first binding clip and the second binding clip, guide strut's one end articulates in first binding clip middle part, guide strut's the other end articulates in second binding clip middle part and wears to produce the second binding clip, guide strut wears to produce the one end of second binding clip and is provided with the direction subassembly that can supply the location needle to wear the needle direction.

Through adopting above-mentioned technical scheme, the user is fixed in the bone both sides that need the operation with first binding clip and second binding clip centre gripping through opening and shutting first pincers handle and second pincers handle to conveniently accurately lead the pilot pin to the needle threading position point through direction subassembly and guide strut, make inside the pilot pin can accurately be squeezed into the bone conveniently more, thereby improved accuracy and the efficiency of needle threading that resets, advance and also help improving the security and the operation effect of operation.

Furthermore, the guide assembly comprises a support piece and a guide piece, one side of the support piece, which is parallel to the guide supporting rod, is provided with a supporting sleeve which can be relatively fixed with the position of the guide supporting rod, the other side of the support piece, which is parallel to the guide supporting rod, is provided with a connecting sleeve, one side of the guide piece, which is close to the connecting sleeve, is provided with a rotating support rod matched with the connecting sleeve, the connecting sleeve and the rotating support rod can be relatively fixed, and the top of the guide piece is provided with a guide sleeve for the positioning needle to penetrate through for guiding.

Through adopting above-mentioned technical scheme, the user adjusts support piece to suitable position along guide branch to rotate the guide piece along rotating the bracing piece and make the guide sleeve pipe of guide piece adjust to predetermined needle threading position, penetrate the needle point one end of pilot pin from the guide sleeve pipe and squeeze into the bone from needle threading position inside, effectively improved the accuracy and the needle threading efficiency of needle threading under guide sleeve pipe's direction.

Furthermore, the pipe wall of the supporting sleeve is provided with a first abutting block which is elastically abutted with the outer wall of the guide supporting rod, and the pipe wall of the supporting pipe is provided with a first abutting abdicating groove matched with the first abutting block; the pipe wall of the connecting sleeve is provided with a second abutting block which is elastically abutted against the outer wall of the rotating supporting rod, and the pipe wall of the connecting sleeve is provided with a second abutting abdicating groove matched with the second abutting block; the pipe wall of the guide sleeve is provided with a third abutting block elastically abutted against the outer wall of the positioning needle, and the pipe wall of the guide sleeve is provided with a third abutting abdicating groove matched with the third abutting block.

By adopting the technical scheme, the supporting sleeve is sleeved on the outer wall of the guide supporting rod, and the inner wall of the first abutting block and the outer wall of the guide supporting rod are in certain elastic abutting connection, so that a certain damping effect is formed between the supporting sleeve and the guide supporting rod, the position of the supporting sleeve on the guide supporting rod can be flexibly and conveniently adjusted, the relative fixation of the positions of the supporting sleeve and the guide supporting rod can be realized, and the adjustment flexibility and the positioning stability of the supporting piece and the guide supporting rod are improved; the connecting sleeve and the rotating support rod realize the relative fixation of the rotating angle through the second abutting block, and the convenience and the positioning stability of the adjustment of the included angle between the guide piece and the support piece are also improved; the guide sleeve pipe passes through third butt joint block and pilot pin outer wall elasticity butt, realizes that the pilot pin slides along guide sleeve's damping, has improved the stability that the pilot pin pierced the needle.

Furthermore, the supporting piece and the guiding piece are both provided with a viewing window.

Through adopting above-mentioned technical scheme, set up the window of looking on support piece and guide, on the one hand, can in time observe the opposite side situation of support piece and guide in can conveniently operating, on the other hand also can alleviate the dead weight of support piece and guide, improves the portability of using.

Furthermore, a measuring scale capable of synchronously measuring the clamping and fixing width of the first tong head and the second tong head is arranged between the first tong handle and the second tong handle.

By adopting the technical scheme, the measuring scale can conveniently and accurately measure the clamping and fixing width of the first binding clip and the second binding clip, and a user can conveniently determine the length of the puncture needle.

Furthermore, the measuring scale is an arc measuring scale, a first moving abdicating groove is formed in the middle of the first clamp handle, one end of the arc measuring scale is hinged in the first moving abdicating groove, a second moving abdicating groove is formed in the middle of the second clamp handle, and the other end of the arc measuring scale penetrates through the second moving abdicating groove; the surface of the arc-shaped measuring scale is provided with conversion scales used for calibrating the clamping fixed width of the first binding clip and the second binding clip.

Through adopting above-mentioned technical scheme, when the contained angle of adjustment first pincers handle and second pincers handle made first binding clip and the fixed bone of different width of second binding clip centre gripping, the arc dipperstick can follow the second and remove the groove and carry out synchronous movement and adjust, reaches the effect of the fixed width of synchronous measurement first binding clip and second binding clip centre gripping.

Furthermore, the second moving abdicating groove is formed along the length direction of the second forceps handle and runs through the width direction of the second forceps handle, and a locking piece for locking and fixing the opening and closing angles of the first forceps handle and the second forceps handle is arranged in the second moving abdicating groove.

Through adopting above-mentioned technical scheme, the locking piece can be fixed the locking of the angle that first pincers handle and second pincers handle opened and shut to the stability of use has further been improved.

Further, the one end tip that the lock piece is close to the arc dipperstick direction is provided with can stepping down and the fixed locking hole of stepping down to the arc dipperstick, the arc dipperstick is worn to locate in the locking hole of stepping down, the width in locking hole of stepping down slightly is greater than the width of arc dipperstick, it is articulated with the inner wall that the groove was stepped down in the second removal to the middle part that the groove was stepped down in the lock piece is located the second removal, the lock piece is kept away from and is provided with compression spring between the one end of stepping down locking hole direction and the second pincers handle, the lock piece is the direction slope that certain angle orientation deviates from compression spring with the one end that compression spring is connected.

By adopting the technical scheme, the compression spring enables the locking piece to be obliquely and outwards arranged from one end provided with the locking hole to the other end of the locking piece, and the locking hole is abutted against the arc-shaped edge of the arc-shaped measuring scale, so that the first clamp handle and the second clamp handle cannot be outwards opened to realize locking and fixing; the user presses the locking piece afterbody for the locking piece rotates to the second around its pin joint that moves the groove of stepping down with the second and moves the inslot of stepping down, and the locking hole breaks away from the butt state with the arc limit of arc dipperstick this moment, thereby removes the locking to the arc dipperstick, and the user just can drive first pincers handle and second pincers handle and freely open and shut after that.

Furthermore, one end of the locking piece, which is close to the compression spring, is provided with a pressing handle for pressing by fingers.

Through adopting above-mentioned technical scheme, press the handle and can the person of facilitating the use press the operation to the locking piece, improved operating stability and operating efficiency.

Furthermore, one end of the first forceps handle, which is far away from the first forceps head, is fixedly connected with a first finger ring buckle, and one end of the second forceps handle, which is far away from the second forceps head, is fixedly connected with a second finger ring buckle.

Through adopting above-mentioned technical scheme, the user utilizes the finger to detain and moves first finger latch closure and second finger latch closure to can be more convenient nimble control first pincers handle and second pincers handle, help improving the convenience of operation and the safety and stability of operation.

In summary, the present application has the following beneficial effects:

1. by arranging the guide supporting rod and the guide assembly, a user clamps and fixes the first forceps head and the second forceps head on two sides of a bone to be reset, and conveniently and accurately guides the positioning needle to a needle threading site through the guide assembly and the guide supporting rod, so that the positioning needle can be driven into the bone more accurately, conveniently and rapidly, the accuracy and the efficiency of resetting needle threading are improved, and the safety and the operation effect of an operation are improved;

2. the supporting sleeve of the supporting piece is sleeved on the outer wall of the guide supporting rod, and the inner wall of the first abutting block and the outer wall of the guide supporting rod are elastically abutted to form a certain damping effect between the supporting sleeve and the guide supporting rod, so that the position of the supporting sleeve on the guide supporting rod can be flexibly and conveniently adjusted, the relative fixation of the positions of the supporting sleeve and the guide supporting rod can be realized, and the adjustment flexibility and the positioning stability of the supporting piece and the guide supporting rod are improved;

3. the relative fixation of the rotation angle between the connecting sleeve and the rotating support rod is realized through the second abutting block, so that the effects of improving the convenience of adjusting the included angle between the guide piece and the support piece and improving the positioning stability are achieved;

4. the third abutting connection block is elastically abutted with the outer wall of the positioning needle, so that the positioning needle slides along the guide sleeve in a damping manner, and the stability of the positioning needle in penetrating is improved;

5. an arc-shaped measuring scale is arranged between a first clamp handle and a second clamp handle, a first moving abdicating groove is arranged in the middle of the first clamp handle, and a second moving abdicating groove is arranged in the middle of the second clamp handle, so that the effect of synchronously measuring the clamping fixed width of the first clamp head and the second clamp head is achieved;

6. set up the locking piece in the second removes the groove of stepping down, can fix the locking of carrying on of the angle that first pincers handle and second pincers handle opened and shut through the locking piece, reach the effect that further improves direction pincers stability in use.

Drawings

FIG. 1 is a general schematic view of a reduction threading needle guide clamp for orthopedics according to an embodiment of the present application;

FIG. 2 is a general cross-sectional view of a reduction threading needle guide clamp for orthopedics according to an embodiment of the present application;

FIG. 3 is an enlarged view of portion A of FIG. 2;

fig. 4 is an enlarged view of fig. 3 for showing the internal structure of the guide assembly.

In the figure, 1, a first clamp handle; 11. a first binding clip; 12. a first finger ring buckle; 13. a first moving abdicating groove; 2. a second forceps handle; 21. a second binding clip; 22. a second finger ring buckle; 23. a second moving abdicating groove; 3. a guide strut; 4. a guide assembly; 41. a support member; 411. a support sleeve; 4111. a first abutment block; 4112. a first abutting abdication groove; 412. connecting a sleeve; 4121. a second abutment block; 4122. a second abutting abdication groove; 42. a guide member; 421. rotating the support rod; 422. a guide sleeve; 4221. a third abutment block; 4222. a third abutting abdication groove; 5. a viewing window; 6. measuring a scale; 7. a locking member; 71. a locking hole; 72. pressing the handle; 8. compressing the spring.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The application discloses orthopedics is with leading pincers of needle that wear that reset.

Example (b):

referring to fig. 1, the clamp comprises a first clamp handle 1 and a second clamp handle 2 which are hinged to each other, a first clamp head 11 is integrally formed at the top of the first clamp handle 1, a second clamp head 21 is integrally formed at the top of the second clamp handle 2, and arc-shaped clamping tip ends which are symmetrical left and right are integrally formed at the tops of the first clamp head 11 and the second clamp head 21. A first finger ring buckle 12 is integrally connected to one end of the first forceps handle 1 in the direction away from the first forceps head 11, and a second finger ring buckle 22 is integrally connected to one end of the second forceps handle 2 in the direction away from the second forceps head 21.

Referring to fig. 1, a guide supporting rod 3 is arranged between a first binding clip 11 and a second binding clip 21, one end of the guide supporting rod 3 is hinged to the middle of the first binding clip 11, the other end of the guide supporting rod 3 is hinged to the middle of the second binding clip 21 and penetrates through the second binding clip 21, and a guide assembly 4 for guiding a positioning needle to penetrate through is arranged at one end of the guide supporting rod 3 penetrating through the second binding clip 21.

Referring to fig. 2 and 4, the guide assembly 4 includes a support 41 and a guide 42, and the support 41 and the guide 42 are both opened with a viewing window 5. One side integrated into one piece that support 41 is on a parallel with guide strut 3 has the support sleeve 411 that can relatively fix with guide strut 3 position, and the first butt piece 4111 of pipe wall fixedly connected with and the elastic butt of 3 outer walls of guide strut of support sleeve 411, the pipe wall of stay tube offer with first butt piece 4111 complex first butt groove 4112 of stepping down.

Referring to fig. 2 and 4, a connecting sleeve 412 is integrally formed on the other side of the supporting member 41 parallel to the guide rod 3, a rotating support rod 421 matched with the connecting sleeve 412 is disposed on one side of the guide member 42 close to the connecting sleeve 412, the connecting sleeve 412 and the rotating support rod 421 can be relatively fixed in position, a second abutting block 4121 elastically abutted against the outer wall of the rotating support rod 421 is fixedly connected to the tube wall of the connecting sleeve 412, and a second abutting receding groove 4122 matched with the second abutting block 4121 is formed in the tube wall of the connecting sleeve 412.

Referring to fig. 2 and 4, a guide sleeve 422 for guiding the needle of the positioning needle is integrally connected to the top of the guide 42, a third abutting block 4221 elastically abutting against the outer wall of the positioning needle is fixedly connected to the tube wall of the guide sleeve 422, and a third abutting abdicating groove 4222 matched with the third abutting block 4221 is formed in the tube wall of the guide sleeve 422.

Referring to fig. 1 and 2, a measuring scale 6 capable of synchronously measuring the clamping fixed width of the first binding clip 11 and the second binding clip 21 is arranged between the first binding clip handle 1 and the second binding clip handle 2, the measuring scale 6 is arc-shaped, and a conversion scale for calibrating the clamping fixed width of the first binding clip 11 and the second binding clip 21 is arranged on the surface of the measuring scale 6.

Referring to fig. 1 and 2, first removal groove 13 of stepping down is provided with in first pincers handle 1 middle part, the one end of arc dipperstick 6 articulates in first removal groove 13 of stepping down, the second removal groove 23 of stepping down has been seted up at the middle part of second pincers handle 2, the second removal groove 23 of stepping down is worn to locate by the other end of arc dipperstick 6, the second removes groove 23 of stepping down and sets up along the length direction of second pincers handle 2 and the width direction who runs through second pincers handle 2, be provided with in the second removal groove 23 of stepping down and be used for the locking to fix first pincers handle 1 and the locking piece 7 of second pincers handle 2 angle that opens and shuts.

Referring to fig. 2 and 3, the one end tip that the locking piece 7 is close to arc dipperstick 6 direction is provided with can step down and fixed locking hole 71 that steps down arc dipperstick 6, arc dipperstick 6 wears to locate in the locking hole 71 that steps down, the width of the locking hole 71 that steps down slightly is greater than the width of arc dipperstick 6, the middle part that locking piece 7 its is located the second removal groove 23 that steps down is articulated with the inner wall that the second removed the groove 23 that steps down, locking piece 7 is kept away from the one end of the locking hole 71 direction that steps down and is fixed connection compression spring 8 between the second pincers handle 2, the one end that locking piece 7 and compression spring 8 are connected is the direction slope that certain angle orientation deviates from compression spring 8. A pressing handle 72 for pressing a finger is fixedly connected to one end of the locking member 7 close to the compression spring 8.

The implementation principle of the embodiment of the application is as follows:

when the guide pliers are used, a user can respectively buckle the first finger ring buckle 12 and the second finger ring buckle 22 with a thumb and a ring finger, and at the moment, the locking piece 7 inclines outwards from the end provided with the locking hole 71 to the end provided with the pressing handle 72, so that the locking hole 71 is abutted against the arc edge of the arc measuring scale 6, and the first pliers handle 1 and the second pliers handle 2 cannot be outwards opened to realize locking and fixing; the user can utilize the forefinger to press the handle of pressing of locking piece 7 afterbody for locking piece 7 rotates to the second around its pin joint with second removal groove 23 of stepping down in the groove 23, and locking hole 71 breaks away from the butt state with the arc limit of arc dipperstick 6 this moment, thereby removes the locking to arc dipperstick 6, and the user just can freely open and shut through first finger latch closure 12, first pincers handle 1 of second finger latch closure 22 drive and second pincers handle 2.

After the user drives first binding clip 11 and second binding clip 21 and grasps patient's bone both sides, loosen and press handle 72 and make locking hole 71 of locking piece 7 and arc limit of arc dipperstick 6 support tightly fixedly, thereby it is fixed to realize the locking to first binding clip 11 and second binding clip 21, the scale that can be located between first pincers handle 1 and second pincers handle 2 through arc dipperstick 6 at this moment reads out the fixed width of first binding clip 11 and second binding clip 21 centre gripping, thereby convenient to use person confirms the length that the needle was worn to the pilot pin.

Then, the user moves the support 41 to a proper position along the guide support rod 3, and rotates the guide member 42 to move the guide sleeve 422 of the guide member 42 to a predetermined needle-threading site, so that one end of the needle point of the positioning needle is penetrated from the guide sleeve 422 and is driven into the bone from the needle-threading site, and the positioning needle can be accurately driven into the bone under the guidance of the guide sleeve 422, thereby improving the accuracy and efficiency of resetting the needle-threading, and further contributing to the improvement of the safety and the operation effect of the operation.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an orthopedics is with guide pincers that pierce pin that resets which characterized in that: including first pincers handle (1), second pincers handle (2) of mutual articulated, first pincers handle (1) top fixedly connected with first binding clip (11), second pincers handle (2) top fixedly connected with second binding clip (21), be provided with between first binding clip (11) and second binding clip (21) guide branch (3), the one end of guide branch (3) articulates in first binding clip (11) middle part, the other end of guide branch (3) articulates in second binding clip (21) middle part and wears to establish second binding clip (21), the one end that guide branch (3) worn to establish second binding clip (21) is provided with guide assembly (4) that can supply the location needle to wear the needle direction.

2. The orthopedic reduction threading guide clamp according to claim 1, characterized in that: the guide assembly (4) comprises a support piece (41) and a guide piece (42), wherein the support piece (41) is parallel to one side of the guide supporting rod (3) and is provided with a support sleeve (411) which can be relatively fixed with the position of the guide supporting rod (3), the support piece (41) is parallel to the other side of the guide supporting rod (3) and is provided with a connecting sleeve (412), one side of the guide piece (42) close to the connecting sleeve (412) is provided with a rotating support rod (421) matched with the connecting sleeve (412), the connecting sleeve (412) and the rotating support rod (421) can be relatively fixed, and the top of the guide piece (42) is provided with a guide sleeve (422) which can be used for guiding the puncture needle of the positioning needle.

3. The orthopedic reduction threading guide clamp according to claim 2, characterized in that: the pipe wall of the supporting sleeve (411) is provided with a first abutting block (4111) elastically abutted against the outer wall of the guide support rod (3), and the pipe wall of the supporting pipe is provided with a first abutting abdicating groove (4112) matched with the first abutting block (4111); the pipe wall of the connecting sleeve (412) is provided with a second abutting block (4121) which is elastically abutted against the outer wall of the rotating support rod (421), and the pipe wall of the connecting sleeve (412) is provided with a second abutting abdicating groove (4122) matched with the second abutting block (4121); the pipe wall of guide sleeve pipe (422) is provided with third butt joint piece (4221) with the elasticity butt joint of pilot pin outer wall, the pipe wall of guide sleeve pipe (422) is seted up with third butt joint piece (4221) complex third butt groove of stepping down (4222).

4. The orthopedic reduction threading guide clamp according to claim 2, characterized in that: the supporting piece (41) and the guiding piece (42) are both provided with a viewing window (5).

5. The orthopedic reduction threading guide clamp according to claim 1, characterized in that: a measuring scale (6) capable of synchronously measuring the clamping and fixing width of the first tong head (11) and the second tong head (21) is arranged between the first tong handle (1) and the second tong handle (2).

6. The orthopedic reduction threading guide clamp according to claim 5, characterized in that: the measuring scale (6) is an arc-shaped measuring scale (6), a first moving abdicating groove (13) is formed in the middle of the first clamp handle (1), one end of the arc-shaped measuring scale (6) is hinged in the first moving abdicating groove (13), a second moving abdicating groove (23) is formed in the middle of the second clamp handle (2), and the other end of the arc-shaped measuring scale (6) penetrates through the second moving abdicating groove (23); the surface of the arc measuring scale (6) is provided with a conversion scale for calibrating the clamping and fixing width of the first binding clip (11) and the second binding clip (21).

7. The orthopedic reduction threading guide clamp according to claim 6, characterized in that: the second removes and gives way groove (23) and sets up along the length direction of second pincers handle (2) and the width direction who runs through second pincers handle (2), be provided with in the second removes and gives way groove (23) and be used for the locking to fix first pincers handle (1) and second pincers handle (2) angle of opening and shutting locking piece (7).

8. The orthopedic reduction threading guide clamp according to claim 7, characterized in that: the one end tip that lock piece (7) are close to arc dipperstick (6) direction is provided with can step down and fixed locking hole (71) of stepping down to arc dipperstick (6), arc dipperstick (6) are worn to locate in the locking hole (71) of stepping down, the width of the locking hole (71) of stepping down slightly is greater than the width of arc dipperstick (6), it is articulated with the inner wall that the second removed the groove (23) that the middle part that is located the second removal groove (23) of stepping down of lock piece (7), it is provided with compression spring (8) between one end and the second pincers handle (2) of stepping down lock hole (71) direction to keep away from lock piece (7), the one end that lock piece (7) and compression spring (8) are connected is the direction slope that certain angle orientation deviates from compression spring (8).

9. The orthopedic reduction threading guide clamp according to claim 8, characterized in that: one end of the locking piece (7) close to the compression spring (8) is provided with a pressing handle (72) which can be pressed by fingers.

10. The orthopedic reduction threading guide clamp according to claim 1, characterized in that: one end of the first forceps handle (1) far away from the first forceps head (11) is fixedly connected with a first finger ring buckle (12), and one end of the second forceps handle (2) far away from the second forceps head (21) is fixedly connected with a second finger ring buckle (22).