CN213190025U

CN213190025U - Children's humerus external condyle fracture reduction and internal fixation guiding combination device

Info

Publication number: CN213190025U
Application number: CN202020753958.9U
Authority: CN
Inventors: 沈龙祥; 代杰志; 石芸中; 秦晖; 高悠水; 陈博昌
Original assignee: Shanghai Sixth Peoples Hospital
Current assignee: Shanghai Sixth Peoples Hospital
Priority date: 2020-05-09
Filing date: 2020-05-09
Publication date: 2021-05-14
Anticipated expiration: 2030-05-09

Abstract

The utility model discloses a children's outer condyle fracture of humerus resets and internal fixation direction composite set, including two pincers handles, binding clip and kirschner wire director, the head of pincers handle is located to the binding clip, and two pincers handles pass through the pivot connection, and the head end of a binding clip is equipped with the chuck, and the both ends of chuck are equipped with the jack catch of inwards buckling, are equipped with the kirschner wire director on the jack catch, and the head end of another binding clip is equipped with decurrent insert most advanced. During operation, the clamping jaws act on two side areas of the highest point of the external humeral condyle, the insertion part is inserted into the humeral bone which is not fractured above the fracture line, and the clamp head is clamped, so that the fracture part can be effectively pressurized and reset; the kirschner wire guider is a structure which is preset on the chuck and has a guiding effect on the driving-in of the kirschner wire, so that the driving-in of the kirschner wire is dependent on the kirschner wire guider, the difference of experience and operation manipulation of an operator can be effectively avoided, the operation is convenient, the exposure of radioactive rays in the operation is reduced, the operation time is shortened, and the treatment effect is improved.

Description

Children's humerus external condyle fracture reduction and internal fixation guiding combination device

Technical Field

The utility model belongs to the technical field of medical instrument, especially, relate to a children's outer condyle fracture of humerus resets and internal fixation direction composite set.

Background

Clinically, in the process of internal fixation for incision and reduction of external humeral condyle fracture of children, an operating doctor needs to reduce the fracture through point-type reduction forceps in the operation and perform certain pressurization, and then fixes the fracture through 2-3 Kirschner wires. Due to the anatomical characteristics of the operation incision, the operation is very inconvenient when the universal point type reduction forceps are used for reducing and pressurizing the fracture. Further, after the fracture is reduced, in the process of fixing the kirschner wire to the fracture, due to the difference of experience and operation technique of an operator, a proper fixing angle cannot be found often, and the patient needs to perform fluoroscopy and readjustment after threading the needle for multiple times, so that the operation process is complicated, the operation time is prolonged, the radiation exposure risk of the patient and the operation doctor is increased, and the operation trauma is increased.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a reposition and internal fixation guiding combination device for children humerus external condyle fracture.

The utility model provides a children's outer condyle of humerus fracture resets and internal fixation direction composite set, includes two pincers handles, binding clip and kirschner wire director, the binding clip is located the head of pincers handle, two the pincers handle passes through the pin junction, one the head end of binding clip is equipped with the chuck, the both ends of chuck are equipped with the jack catch of inside buckling, be equipped with on the jack catch kirschner wire director, another the head end of binding clip is equipped with decurrent insert most advanced.

Above technical scheme is preferred, the kirschner wire director includes 3 uide bushing, the jack catch corresponds uide bushing is equipped with the through-hole, uide bushing's one end is stretched out the outside of jack catch, 3 uide bushing distributes and 3 from top to bottom two coplanarities of uide bushing's axis, and 3 all have certain contained angle between uide bushing's the axis.

Above technical scheme is preferred, the below the guide sleeve's axis is parallel with elbow joint's horizontal axis, and is middle guide sleeve's axis and below guide sleeve's axis contained angle is 16-20, middle guide sleeve's axis and top guide sleeve's axis contained angle is 16-20.

Above technical scheme is preferred, the below the guide sleeve's axis is parallel with elbow joint's horizontal axis, and is middle guide sleeve's axis and below guide sleeve's axis contained angle is 18, middle guide sleeve's axis and top guide sleeve's axis contained angle is 18.

The utility model has the advantages and positive effects that: the utility model provides a combined device for resetting and internal fixation and guiding of external humeral condyle fracture of children, which is characterized in that when in operation, clamping jaws act on two side areas of the highest point of the external humeral condyle, an insertion part is inserted into the humeral bone which is not fractured at the upper part in a fracture line, and a binding clip is clamped, so that the fracture part can be effectively pressurized and reset; the kirschner wire guider is a structure which is preset on the chuck and has a guiding effect on the driving-in of the kirschner wire, so that the driving-in of the kirschner wire is dependent on the kirschner wire guider, the condition that a proper kirschner wire fixing angle cannot be found due to the difference of experience and operation manipulation of an operator can be effectively avoided, the operation is facilitated, the exposure of rays in the operation is reduced, the operation time is shortened, the operation wound is reduced, and the treatment effect is improved.

Drawings

Fig. 1 is a schematic structural view of a reduction and internal fixation guide combination device for external humeral condyle fracture of a child according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a chuck and a kirschner wire guide provided in an embodiment of the present invention;

fig. 3 is a schematic structural view of a holding point for fracture reduction and internal fixation according to an embodiment of the present invention;

fig. 4 is a front view of the reduction and internal fixation guide assembly for external humeral condyle fracture of a child according to an embodiment of the present invention;

fig. 5 is a side view of the reduction and internal fixation guide assembly for external humeral condyle fracture of a child according to an embodiment of the present invention.

Wherein: 1. a forceps handle; 2. a binding clip; 3. a shaft pin; 4. a chuck; 5. a claw; 6. an insertion tip; 7. the outer humeral condyle; 8. point A; 9. b, point; 10. c, point; 11. the humerus; 12. d, point; 13. a first guide sleeve; 14. a second guide sleeve; 15. a third guide sleeve; 16. a fracture line.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

The embodiment provides a children's outer condyle fracture of humerus resets and internal fixation direction composite set, as shown in fig. 1-5, including two pincers handles 1, binding clip 2 and kirschner wire director, binding clip 2 is located the head of pincers handle 1, two pincers handle 1 passes through pivot 3 and connects, one the head end of binding clip 2 is equipped with chuck 4, the both ends of chuck 4 are equipped with the jack catch 5 of inside buckling, be equipped with on jack catch 5 the kirschner wire director, another the head end of binding clip 2 is equipped with decurrent insert pointed end 6.

The head ends of the traditional reduction forceps heads are oppositely arranged, but the fracture part cannot be clamped by the opposite heads. In the embodiment, the insertion tip 6 is downward at 90 degrees when viewed from above, the insertion tip is inserted into a bone block, a hole is formed at the D point 12 of the humerus 11 on the upper part in the fracture line 16, and then the insertion tip is inserted into the hole. As shown in fig. 3, in the present embodiment, two claws 5 are respectively applied to two side areas of the highest point of the outer humeral condyle 7, namely, point a 8 and point B9, and as a holding point of the device, a point between the two side areas of the highest point of the outer humeral condyle 7, namely, point C10, is an area where three kirschner wires are concentrated; a hole, i.e., the D-point 12, is pre-drilled in the bone of the upper unbroken humerus 11 within the fracture line 16, and the insertion tip 6 is inserted into the hole as another holding point of the device. The forceps handle 1 is clamped so that the jaw 5 and the insertion tip 6 clamp and reposition the fractured outer humeral condyle 7 and the non-fractured humerus 11, a Kirschner wire is driven into the outer humeral condyle 7 and the non-fractured humerus 11 along a Kirschner wire guide, and the fractured outer humeral condyle 7 and the non-fractured humerus 11 are internally fixed by the Kirschner wire.

Specifically, the kirschner wire guider comprises 3 guide sleeves, the jaw 5 is provided with a through hole corresponding to the guide sleeves, one end of each guide sleeve extends out of the outer side of the jaw 5, and the guide sleeves have a guide effect on the kirschner wires; 3 the guide sleeve distributes and 3 from top to bottom two coplanarities of guide sleeve's axis, two liang of coplanarities mean in figure 2 below the guide sleeve be first guide sleeve 13 promptly and be located the rear portion of jack catch, the top the guide sleeve be third guide sleeve 15 promptly and be located the front portion of jack catch, middle the guide sleeve be second guide sleeve 14 promptly and be located the middle part of jack catch, and 3 all have certain contained angle between the guide sleeve's the axis.

Optionally, the axis of the lower guide sleeve, i.e., the first guide sleeve 13, is parallel to the horizontal axis of the elbow joint, the angle between the axis of the middle guide sleeve, i.e., the second guide sleeve 14, and the axis of the lower guide sleeve is 16 to 20 °, and the angle between the axis of the middle guide sleeve and the axis of the upper guide sleeve, i.e., the third guide sleeve 15, is 16 to 20 °. Preferably, the below the guide sleeve's axis is parallel with elbow joint's horizontal axis, and is middle the guide sleeve's axis and below the guide sleeve's axis contained angle is 18, and is middle the guide sleeve's axis and top the guide sleeve's axis contained angle is 18.

The working process of the embodiment: punching a hole at a bone D point 12 at the upper part in a fracture line, inserting an insertion tip 6 into the hole, placing two claws 5 at a point A8 and a point B9 in areas at two sides of the highest point of an external humeral condyle 7, clamping a forceps handle 1, clamping and resetting a fracture, wherein three guide sleeves are positioned in an area C10, a first Kirschner wire extends into a first guide sleeve 13 to be driven into a bone, a second Kirschner wire extends into a second guide sleeve 14 to be driven into the bone, and a third Kirschner wire extends into a third guide sleeve 15 to be driven into the bone to realize internal fixation.

The utility model has the advantages and positive effects that: the utility model provides a combined device for resetting and internal fixation and guiding of external humeral condyle fracture of children, which is characterized in that when in operation, a claw is acted on two side areas of the highest point of the external humeral condyle, an insertion part is inserted into the humeral bone which is not fractured above a fracture line, and a binding clip is clamped, so that the fracture part can be effectively pressurized and reset; the kirschner wire guider is a structure which is preset on the chuck and has a guiding effect on the driving-in of the kirschner wire, so that the driving-in of the kirschner wire is dependent on the kirschner wire guider, the condition that a proper kirschner wire fixing angle cannot be found due to the difference of experience and operation manipulation of an operator can be effectively avoided, the operation is facilitated, the exposure of rays in the operation is reduced, the operation time is shortened, the operation wound is reduced, and the treatment effect is improved.

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention, and should not be considered as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.

Claims

1. The utility model provides a children's outer condyle of humerus fracture resets and internal fixation direction composite set which characterized in that: including two pincers handles, binding clip and kirschner wire director, the binding clip is located the head of pincers handle, two the pincers handle passes through the pin junction, one the head end of binding clip is equipped with the chuck, the both ends of chuck are equipped with the jack catch of inside buckling, be equipped with on the jack catch the kirschner wire director, another the head end of binding clip is equipped with decurrent insert most advanced.

2. The combination humeral lateral condyle fracture reduction and internal fixation guide apparatus as claimed in claim 1, wherein: the kirschner wire guider includes 3 guide sleeve, the jack catch corresponds guide sleeve is equipped with the through-hole, guide sleeve's one end is stretched out the outside of jack catch, 3 guide sleeve distributes and 3 from top to bottom two coplanarities of guide sleeve's axis, and 3 all have certain contained angle between guide sleeve's the axis.

3. The combination humeral lateral condyle fracture reduction and internal fixation guide apparatus as claimed in claim 2, wherein: the below the guide sleeve's axis is parallel with elbow joint's horizontal axis, and is middle the guide sleeve's axis and below the guide sleeve's axis contained angle is 16-20, and is middle the guide sleeve's axis and top the guide sleeve's axis contained angle is 16-20.

4. The combination humeral lateral condyle fracture reduction and internal fixation guide apparatus as claimed in claim 2, wherein: the below the guide sleeve's axis is parallel with elbow joint's horizontal axis, and is middle guide sleeve's axis and below guide sleeve's axis contained angle is 18, middle guide sleeve's axis and top guide sleeve's axis contained angle is 18.