CN213047240U

CN213047240U - Guide clamp and reset forceps using same

Info

Publication number: CN213047240U
Application number: CN202020719553.3U
Authority: CN
Inventors: 蔡春水; 熊想莲; 汪灿彬; 刘燕洁; 肖平; 林超文
Original assignee: Foshan First Peoples Hospital Foshan Hospital Sun Yat Sen University
Current assignee: Foshan First Peoples Hospital Foshan Hospital Sun Yat Sen University
Priority date: 2020-04-30
Filing date: 2020-04-30
Publication date: 2021-04-27
Anticipated expiration: 2030-04-30

Abstract

The utility model discloses a guide clamp, which comprises a sleeve, the clamp body and connecting rod, the connecting rod includes the first body of rod and the second body of rod, the one end of the first body of rod and the one end of the second body of rod are provided with respectively rotates the head, two rotate the head and rotate and connect, fixed block and fixed slot grafting cooperation, the clamp body sets up on the first body of rod, telescopic lateral wall fixedly connected with swivel nut, the one end that the first body of rod was kept away from to the second body of rod is located to the swivel nut cover, the screw has been seted up on the swivel nut, wear to be equipped with set screw in the screw, set screw's afterbody and the outer peripheral face. The utility model provides a pincers reset, includes that two tong arms and the direction of above-mentioned arbitrary one press from both sides, and the tong arm includes dactylotheca and centre gripping pointed end, and two tong arms are articulated each other, and the pin joint of two tong arms is close to the most advanced setting of centre gripping, and the clamp centre gripping is in the tong arm and is close to the most advanced one side of centre gripping, and the sleeve sets up in the most advanced one side of keeping away from the dactylotheca. The utility model is used for medical instrument technical field.

Description

Guide clamp and reset forceps using same

Technical Field

The utility model relates to the technical field of medical equipment, especially a direction presss from both sides and uses pincers that reset of this direction clamp.

Background

When the humerus intercondylar fracture, the humerus supracondylar fracture, the humerus medial condyle fracture and the external condyle fracture are treated, because the ulnar sulcus and the radial nerve of which the ulnar nerve walks on the rear side of the internal epicondyle are tightly attached to the bone surface at the external epicondyle crest of the humerus, the traditional method is that the ulnar sulcus and the radial nerve are combined to enter the path in the conventional line and outside when the needle is penetrated and fixed on the line and inside and outside, and after the bone fracture is reset under direct vision and the needle is penetrated blindly, the length of the access point of the drill and the length. When the needle is penetrated, a straight line cannot be determined at one point, so that the needle point cannot be accurately found after the needle is inserted from the entry point. When the drill drills a hole, the path of the drilled hole may be deviated due to vibration of the machine and vibration of the hand of the operator. If not ideal, the patient needs to adjust for many times, which causes prolonged operation time, large operation wound and increased pain and recovery time of the patient.

The existing reset pliers with a guide device are generally fixed in the guide direction of a drill bit, and the guide direction of the drill bit cannot be adjusted according to actual requirements.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: the guide clamp and the reduction forceps using the guide clamp are provided to solve one or more technical problems in the prior art, and at least provide a beneficial selection or creation condition.

The utility model provides a solution of its technical problem is:

a guide clamp comprises a sleeve, a clamp body and a connecting rod, wherein the connecting rod comprises a first rod body and a second rod body, one end of the first rod body and one end of the second rod body are respectively provided with a rotating head, the two rotating heads are rotatably connected, one rotating head is fixedly connected with a fixed block, the other rotating head is provided with a fixed groove, the fixed grooves are provided with a plurality of fixed grooves which are circumferentially arranged around the rotating shafts of the two rotating heads, a reset piece is arranged between the two rotating heads, the reset piece enables the two rotating heads to always have the trend of being close to each other, the fixed block is in inserting fit with the fixed grooves, the clamp body is arranged on the first rod body, the side wall of the sleeve is fixedly connected with a rotating sleeve, the rotating sleeve is sleeved at one end of the second rod body, which is far away from the first rod body, the rotating sleeve is provided with a screw hole, the tail of the fixing screw is abutted to the outer peripheral surface of the second rod body.

Through the scheme, the guide clamp is clamped and fixed on the tool through the clamp body, when the relative position of the first rod body and the second rod body needs to be adjusted, the rotating head of the first rod body and the rotating head of the second rod body are separated from each other, then the relative position of the first rod body and the second rod body is adjusted, after the adjustment is finished, the two rotating heads are close to each other due to the action of the resetting piece, the fixing block is inserted into the fixing groove, and the relative positions of the two rotating heads are fixed; and when the relative position between the second body of rod and the sleeve is adjusted to needs, rotating set screw, make set screw's tail end and the cancellation butt of the second body of rod, the rotating sleeve afterwards, when adjusting to suitable position, rotating set screw, make set screw's tail end and the butt of the second body of rod, thereby realize that the sleeve carries out the regulation of the angle of leading to the drill bit, the angle of going into that makes the drill bit can be adjusted according to the actual need in the operation, and can avoid the operator to shake or the vibration that produces when handheld drilling equipment itself operates leads to the drilling skew because the hand in operation process, the drilling quality that avoids the drilling skew to lead to drops etc..

As a further improvement of the technical scheme, the reset piece is a reset spring, and two ends of the reset spring are respectively connected with the end faces, opposite to the two rotating heads, of the reset spring.

As a further improvement of the above technical solution, a guide post extends from an end surface of one of the rotating heads, a guide hole is formed in the other rotating head, the guide post penetrates through the guide hole and slides in the guide hole, the two rotating heads rotate relatively around an axis of the guide post, and the length of the guide post is greater than the height of the fixing block.

As a further improvement of the technical scheme, the number of the clamp bodies is at least two, and the two clamp bodies are connected with the connecting rod.

As a further improvement of the technical scheme, the clamp body comprises two clamping units, wherein the clamping units are hinged to each other and provided with torsion springs, one of the torsion springs is arranged between the clamping units, the tail part of each clamping unit is fixedly connected with the connecting rod, the two clamping parts of the clamping units are provided with cushions, and the cushions are arranged on one sides, opposite to the two clamping units, of the two clamping units respectively.

As a further improvement of the technical scheme, the head of the fixing screw is set to be a rotating head, and the peripheral surface of the rotating head is provided with anti-skid grains.

The utility model provides a pincers reset, includes two tong arms and above-mentioned arbitrary direction press from both sides, the tong arm includes dactylotheca and centre gripping pointed end, two the tong arm articulates each other, two the pin joint of tong arm is close to the most advanced setting of centre gripping, the clamp centre gripping is in the tong arm and is close to the most advanced one side of centre gripping, the sleeve sets up in the most advanced one side of keeping away from the dactylotheca of centre gripping.

As a further improvement of the above technical scheme, one end of one of the forceps arms, which is close to the finger sleeve, is provided with a tooth track, the other forceps arm is fixedly connected with an occlusion tooth, the tooth track extends towards the direction of the other forceps arm, the tooth track is arranged in a bending manner by taking the hinge point of the two forceps arms as the circle center, and the occlusion tooth and the tooth track are matched with each other.

The utility model is used for medical instrument technical field.

Drawings

In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures represent only some embodiments of the invention, not all embodiments, and that a person skilled in the art can also derive other designs and figures from these figures without inventive effort.

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;

fig. 2 is an exploded view of the guide clip according to the embodiment of the present invention;

fig. 3 is a partially enlarged schematic view of a portion a in fig. 2.

In the figure, 100, the sleeve; 110. a rotating sleeve; 120. rotating the head; 200. a clip body; 210. a soft cushion; 300. a connecting rod; 310. a first rod body; 320. a second rod body; 330. rotating the head; 331. Fixing grooves; 332. a fixed block; 333. a guide hole; 334. a guide post; 400. a clamp arm; 410. clamping the tip; 420. finger stall; 430. a tooth track; 440. and (4) meshing the teeth.

Detailed Description

The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention. In addition, all the coupling/connection relationships mentioned herein do not mean that the components are directly connected, but mean that a better coupling structure can be formed by adding or reducing coupling accessories according to specific implementation conditions. All technical characteristics in the invention can be interactively combined on the premise of not conflicting with each other.

Referring to fig. 1, a reduction forceps includes two forceps arms 400. Jawarm 400 includes finger sleeve 420 and grasping tip 410, and finger sleeve 420 and grasping tip 410 are respectively disposed at two ends of jawarm 400. The two jawarms 400 are hinged to each other with the hinge point of the two jawarms 400 being proximate to the clamping tip 410. One end of one of the forceps arms 400 close to the finger sleeve 420 is provided with a tooth track 430, the other pencil is fixedly connected with a meshing tooth 440, and the meshing tooth 440 is matched with the tooth track 430. The tooth track 430 extends in the direction of the other jawarm 400. the tooth track 430 is curved about the hinge point of the two jawarms 400.

The end of the jawarm 400 adjacent to the grasping tip 410 is provided with a guide clamp which is grasped on the jawarm 400.

Referring to fig. 2 and 3, a guide clip includes a sleeve 100, a clip body 200, and a connecting rod 300.

The connecting rod 300 includes a first rod 310 and a second rod 320. The first rod 310 and the second rod 320 are integrally made of 18-10 stainless steel (i.e., 316 stainless steel). One end of the first rod 310 and one end of the second rod 320 are respectively connected with a rotating head 330, and the rotating heads 330 and the corresponding rods are integrally formed. The rotating heads 330 of the first rod 310 and the second rod 320 are hinged to each other.

The end surface of the rotating head 330 of the first rod body 310 is provided with fixing grooves 331, sixteen fixing grooves 331 are distributed around the hinge center of the rotating head 330 in a circumferential array, and sixteen fixing grooves 331 are provided. In other embodiments, the number of the fixing grooves 331 may be designed according to a minimum relative rotation angle of the first rod 310 and the second rod 320. A fixing block 332 is fixedly connected to one end surface of the rotating head 330 of the second rod 320 by welding. The number of the fixing blocks 332 is equal to the number of the fixing grooves 331, and the arrangement of the fixing blocks 332 is identical to that of the fixing grooves 331. The fixing block 332 is inserted into and matched with the fixing groove 331 to fix the relative position between the two rotating heads 330. In other embodiments, the fixing groove 331 may be disposed on the rotating head 330 of the second rod 320, and the fixing block 332 is disposed on the rotating head 330 of the first rod 310, so that the fixing block 332 and the fixing groove 331 can be inserted and matched. In other embodiments, the number of the fixing blocks 332 may be smaller than the number of the fixing grooves 331, and the fixing blocks 332 may be arranged in a manner that only each fixing block 332 can be simultaneously inserted into the fixing groove 331.

A guide post 334 extends from the end surface of the rotating head 330 of the first rod 310, and the length of the guide post 334 is greater than the height of the fixing block 332. The rotating head 330 of the second rod 320 is provided with a guiding hole 333, and the guiding post 334 slides in the guiding hole 333. In other embodiments, the guiding post 334 may be disposed on the rotating head 330 of the second rod 320, and the guiding hole 333 may be disposed on the rotating head 330 of the first rod 310.

Annular grooves are formed in the two rotating heads 330 and are communicated with each other. A return spring is provided between the two rotating heads 330, and the return spring makes the two rotating heads 330 always have a tendency to approach each other. Two ends of the return spring are arranged in the annular groove body, and two ends of the return spring are fixedly connected with the two rotating heads 330 through bonding.

When the relative angle between the first rod 310 and the second rod 320 needs to be adjusted, the operator moves the second rod 320 away from the first rod 310, and then adjusts the relative angle between the first rod 310 and the second rod 320; after the angle is adjusted to a proper value, the operator cancels the application of external force to the first rod body 310 and the second rod body 320, the rotating heads 330 of the first rod body 310 and the second rod body 320 approach each other under the action of the elastic force of the return spring, and if the fixing block 332 is not aligned with the fixing groove 331 at the moment, the user slightly rotates the first rod body 310 and the second rod body 320 relatively, so that the fixing block 332 can be smoothly inserted into the fixing groove 331, and the included angle between the first rod body 310 and the second rod body 320 is fixed.

The outer circumferential surface of the sleeve 100 is fixedly connected with a rotating sleeve 110, and the rotating sleeve 110 is sleeved on one end of the second rod 320 far away from the first rod 310. The rotary sleeve 110 is screwed with a fixing screw, the tail end of the fixing screw is abutted against the outer peripheral surface of the second rod 320, and the head part of the fixing screw is set as the rotary head 120. The outer peripheral surface of the rotating head 120 is provided with anti-slip lines. The sleeve 100 and the second rod 320 can rotate relatively, and the relative rotation angle between the sleeve 100 and the second rod is fixed through a fixing screw.

The two clamp bodies 200 are respectively disposed at two ends of the first connecting rod 300. In other embodiments, the number of the clip bodies 200 may be greater than two, and a plurality of clip bodies 200 are arranged along the length direction of the first rod 310. The clamp body 200 comprises two clamping units, the middle parts of the two clamping units are hinged with each other, and a torsion spring is arranged between the two clamping units. The tail end of one of the clamping units of the clamp body 200 is fixed to the first connecting rod 300 by welding. The clamping parts of the clamping units are fixedly connected with soft pads 210, and the soft pads 210 of the two clamping units positioned on the same clamp body 200 are respectively arranged on one side opposite to the two clamping units. The soft pad 210 reduces damage to the surface of the jawarms 400 during clamping.

While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited to the details of the embodiments shown, but is capable of various modifications and substitutions without departing from the spirit of the invention.

Claims

1. A guide clamp is characterized in that: including sleeve (100), clamp (200) and connecting rod (300), connecting rod (300) includes first body of rod (310) and second body of rod (320), the one end of first body of rod (310) and the one end of second body of rod (320) are provided with respectively and rotate head (330), two it rotates head (330) and connects, one of them rotate and to have seted up fixed slot (331) on head (330) fixedly connected with fixed block (332), another rotation head (330), fixed slot (331) have a plurality of, a plurality of fixed slot (331) are around the axis of rotation circumference range of two rotation heads (330), are provided with the piece that resets between two rotation heads (330), the piece that resets makes two rotation heads (330) have the trend that is close to each other all the time, fixed block (332) and fixed slot (331) grafting cooperation, clamp (200) set up on first body of rod (310), the lateral wall fixedly connected with swivel sleeve (110) of sleeve (100), the one end that the first body of rod (310) was kept away from in the second body of rod (320) is located to swivel sleeve (110) cover, the screw has been seted up on swivel sleeve (110), wear to be equipped with set screw in the screw, set screw's afterbody and the outer peripheral face butt of the second body of rod (320).

2. A guide clip according to claim 1, wherein: the reset piece is a reset spring, and two ends of the reset spring are respectively connected with the opposite end faces of the two rotating heads (330).

3. A guide clip according to claim 2, wherein: the end face of one of the rotating heads (330) extends to form a guide post (334), the other rotating head (330) is provided with a guide hole (333), the guide post (334) penetrates through the guide hole (333) and slides in the guide hole (333), the two rotating heads (330) rotate around the axis of the guide post (334) relatively, and the length of the guide post (334) is greater than the height of the fixing block (332).

4. A guide clip according to claim 1, wherein: the number of the clamp bodies (200) is at least two, and the two clamp bodies (200) are connected with the connecting rod (300).

5. A guide clip according to claim 1, wherein: the clamp body (200) comprises two clamping units, wherein the clamping units are hinged to each other, two torsion springs are arranged between the clamping units, one of the torsion springs is fixedly connected with the tail of the clamping unit and the connecting rod (300), the clamping parts of the clamping units are provided with soft pads (210), and the soft pads (210) are arranged on one side, opposite to the two clamping units, respectively.

6. A guide clip according to claim 1, wherein: the head of the fixing screw is set as a rotating head (120), and the peripheral surface of the rotating head (120) is provided with anti-slip lines.

7. The utility model provides a pincers that reset which characterized in that: the guide clamp comprises two clamp arms (400) and the guide clamp as claimed in any one of claims 1 to 6, wherein the clamp arms (400) comprise finger sleeves (420) and clamping tips (410), the two clamp arms (400) are hinged to each other, the hinged point of the two clamp arms (400) is arranged close to the clamping tips (410), the clamp body (200) is clamped on one side of the clamp arms (400) close to the clamping tips (410), and the sleeve (100) is arranged on one side of the clamping tips (410) far away from the finger sleeves (420).

8. The reduction forceps of claim 7, wherein: one end of one of the forceps arms (400) close to the finger sleeve (420) is provided with a tooth track (430), the other forceps arm (400) is fixedly connected with an occlusion tooth (440), the tooth track (430) extends towards the direction of the other forceps arm (400), the tooth track (430) is arranged in a bending mode by taking the hinged point of the two forceps arms (400) as the circle center, and the occlusion tooth (440) is matched with the tooth track (430).