CN111227915A - Auxiliary external fixation instrument for treating child supracondylar fracture of humerus by fixing through cross Kirschner wire - Google Patents
Auxiliary external fixation instrument for treating child supracondylar fracture of humerus by fixing through cross Kirschner wire Download PDFInfo
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- CN111227915A CN111227915A CN202010038249.7A CN202010038249A CN111227915A CN 111227915 A CN111227915 A CN 111227915A CN 202010038249 A CN202010038249 A CN 202010038249A CN 111227915 A CN111227915 A CN 111227915A
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- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/60—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like for external osteosynthesis, e.g. distractors, contractors
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Abstract
The invention provides an auxiliary external fixation instrument for treating child supracondylar fracture of humerus by fixing a crossed Kirschner wire, which relates to the technical field of medical instruments and comprises: the fixing clamp is used for clamping the position on the upper arm for fixing the supracondylar fracture of the humerus; the hexahedral bolster is used for supporting between the front arm and the upper arm; the positioning sheets comprise a plurality of positioning sheets which can be pasted and distributed on the upper arm and can be developed under X-ray fluoroscopy; the sighting device is used for guiding the driving-in of the Kirschner wire by obliquely crossing the elbow joint; the Kirschner wire bending device is used for fully bending the exposed part of the Kirschner wire after the Kirschner wire is driven into the fracture end. The fixed forceps holder includes hug closely respectively in preceding splint and the fixation clamp of back splint and centre gripping on preceding splint and back splint of upper arm front side and rear side, is provided with the first bandage of being connected with wrist joint on the preceding splint. Solves the problems of difficult bone position maintenance and difficult positioning in the operation process of the minimally invasive cross kirschner wire fixation treatment of the supracondylar fracture of the humerus of the child.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to an auxiliary external fixation instrument for treating child supracondylar fracture of humerus by fixing a crossed Kirschner wire.
Background
The supracondylar fracture of the humerus of the children is a common disease and frequently-occurring disease of orthopedics of the children, while the extension fracture accounts for more than 90 percent, the flexion fracture is relatively rare, the conservative treatment requirement of external fixation of a manual reduction splint is high, the incidence rate of splint fixation and re-displacement after successful reduction is high, the elbow varus and valgus deformity is often left, and the Volkmann's blood muscle contracture sometimes occurs. The incision operation treatment is adopted, so that the wound is large, much bleeding is caused, the risk of damaging peripheral nerves and blood vessels is caused, the complications are high, operation scars are left, and the attractiveness is affected. The auxiliary kirschner wire fixation for the technical reduction of the supracondylar fracture of the humerus of the child is reliable in fixation, small in wound and less in bleeding, prevents the fracture from being displaced again after reduction, can be used for performing functional exercise as early as possible after operation, has good joint function recovery, does not have operation scars, and reduces invasive injury of incision reduction internal fixation. Has become a trend that is accepted and widely developed by doctors and patients.
The existing method for treating the supracondylar fracture of the humerus of the child by using the minimally invasive cross kirschner wire also has some problems, such as the bone position is difficult to maintain in the operation process; repeated fluoroscopy is needed due to the lack of an effective positioning mechanism in the operation process, and the radiation quantity of rays suffered by patients and medical staff is increased; when the kirschner wire is driven, the operation is often performed by the experience of a doctor, so that the direction of the kirschner wire is easily deviated, and the nerve and blood vessels are easily injured by mistake.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides an auxiliary external fixation instrument for treating the supracondylar fracture of the humerus in a crossed kirschner wire fixation manner, and solves the problems of difficult bone position maintenance and difficult positioning in the process of the minimally invasive crossed kirschner wire fixation treatment operation of the supracondylar fracture of the humerus in the prior art.
In order to achieve the purpose of the invention, the technical scheme adopted by the invention is as follows:
the utility model provides a supplementary external fixation instrument of crossing ke shi needle fixed treatment child supracondylar fracture of humerus, it includes:
the fixing clamp is used for clamping the upper arm to keep the reset humerus supracondylar fracture of the child, a hexahedral bolster used for cushioning the supporting function between the front arm and the upper arm, a plurality of positioning sheets which are detachably distributed on the upper arm and can be developed under X-ray fluoroscopy, a sighting device used for guiding the needle inserting direction of the Kirschner wire by obliquely crossing an elbow joint, and a Kirschner wire bender used for bending the exposed part of the Kirschner wire after the Kirschner wire is inserted.
Furthermore, the fixed forceps holder comprises a front splint, a rear splint and a fixed clip, wherein the front splint and the rear splint are tightly attached to the front side and the rear side of the upper arm respectively, the fixed clip is clamped on the front splint and the rear splint, and a first bandage connected with the wrist joint is arranged on the front splint.
Further, the front splint comprises a front splint body, one end of the front splint body, which is adjacent to the front arm, is provided with an abutting part which is in an arc shape and upwarps by 30 degrees, an arc-shaped groove is formed in the upper end face of the abutting part, a plurality of first metal marking lines are embedded in the front splint body, which is adjacent to the abutting part, and one end, which is far away from the abutting part, of the front splint body is connected with a first bandage through a plastic ring which is connected in a rotating manner.
The front splint body is tightly attached to the front of the upper arm, the outer surface of the abutting part is contacted with the elbow socket, and the arc-shaped groove enables the abutting part to form a U-shaped structure so as to prevent the front splint from pressing the elbow socket; can connect with wrist joint winding through first bandage, rotate and connect the first bandage on preceding splint body plastic ring, can realize fixing soon to wrist joint or the back position of spiraling, improve the convenience. The winding and fixing function of the first bandage is realized on the plastic ring through the sterile bandage system.
Furthermore, the fixing clamp comprises a front clamp handle and a rear clamp handle, the front clamp handle is connected with the handle end of the rear clamp handle through a pivot, a torsion spring is sleeved on the pivot, two ends of the torsion spring are respectively fixed on the front clamp handle and the rear clamp handle, the front clamp handle is fixed on the front clamping plate, and the rear clamp handle is fixed on the rear clamping plate. The front splint and the rear splint form a clamp shape under the action of the pivot and the torsion spring, and the reset humerus supracondylar fracture of the child can be quickly fixed from the inner side or the outer side of the elbow joint, so that the working efficiency is improved, and the torsion action of the torsion spring enables the clamping to be more stable.
Further, be fixed with three cylinder along length direction interval side by side on the front splint, be provided with the bar hole that supplies three cylinder to pass on the preceding clamp holder, the cylinder of both sides is less than middle cylinder among the three cylinder, and threaded connection has lock nut on the cylinder of middle. The displacement of the front splint relative to the fixing clamp in the horizontal direction is prevented through the positioning effect of the three cylinders on the fixing clamp, the displacement of the fixing clamp relative to the front splint in the vertical direction is limited through the threaded connection and locking of the locking nut and the middle cylinder, and then the fixing clamp can firmly clamp and fix the front splint, the rear splint and the far end of the upper arm together, and the reset supracondylar fracture of the humerus is rapidly clamped and fixed from the front side and the rear side of the upper arm to maintain the bone position. The bar-shaped hole enables the front splint to move left and right on the front splint handle for a certain distance, so that the front splint is prevented from contacting with the elbow.
Further, the rear clamping plate comprises a rear clamping plate body, one end, close to the upper arm, of the rear clamping plate body is provided with a positioning portion which is in an arc shape and upwarps by 30 degrees, the length of the rear clamping plate body is larger than that of the front clamping plate body, a plurality of second metal marking lines are embedded in the rear clamping plate body close to the positioning portion, intervals between the adjacent second metal marking lines and the adjacent first metal marking lines are different, the lengths of the second metal marking lines and the first metal marking lines are different, and the exposed metal marking lines are visible on one side of the clamping plate. The rear clamping plate is used for being tightly attached to the rear of an elbow joint, the inner surface of the positioning portion is abutted to the rear of the elbow joint, the position of the rear clamping plate is displayed under X-ray perspective through the second metal marking line, the position of the front clamping plate is displayed under X-ray perspective through the first metal marking line, and then the relative position of the bone folding line, the first metal marking line and the second metal marking line can be accurately judged through the positive piece.
The back splint body is gone up and is fixed with three cylinder along length direction interval side by side, be provided with the circular port that supplies three cylinder to pass on the back clamp holder, the cylinder of both sides is less than middle cylinder in the three cylinder, threaded connection has lock nut on the cylinder of centre, can be in the same place back splint and back clamp holder monolithic stationary, it is fixed that preceding clamp holder all has trepanning design and lock nut on the clamp holder, can follow before, the both sides of back splint are assembled two splint fixedly, improve the convenience of operation.
Furthermore, soft cotton layers are fixed on the contact surfaces of the front splint and the back splint and the skin. Can sweat-absorbing through the cotton layer of soft, also can improve the compliance with human contact, improved patient's travelling comfort.
Furthermore, a second binding band is fixed on the position, adjacent to the abutting portion, of the front clamping plate body, and a fastening tape is arranged on the second binding band. After the fixing clamp clamps the front splint and the rear splint to reset the supracondylar fracture of the humerus, the front splint and the rear splint are bound through the second bandage, the firmness of the fixation of the supracondylar fracture of the humerus is improved, and the binding and the dismounting of the second bandage can be quickly realized through the thread gluing belt.
Furthermore, a rotating handle is fixed on the top surface of the locking nut. The medical personnel of being convenient for directly rotate lock nut through rotating the handle, improve the convenience.
Furthermore, the hexahedral bolster is a trapezoidal block, and grooves which are respectively abutted against the forearms and the upper arms are arranged on a plurality of pairs of symmetrical surfaces of the trapezoidal block. The hexahedral bolster in the shape of the trapezoid block is just matched with the position interval between the forearm and the upper arm of the child in the minimally invasive cross Kirschner wire treatment operation process, and the stability of the hexahedral bolster can be improved through the clamping effect of the groove. In the in-service use process, the hexahedral bolster can be transversely placed or vertically placed, the specific placing mode needs to be determined according to the included angle between the forearm and the upper arm, and the hexahedral bolster plays the role of a lever fulcrum.
The invention has the beneficial effects that: through the auxiliary external fixation instrument in the scheme, the pronation or the supination position of the forearm can be fixed immediately after the manual reduction of a patient with the extension type infantile supracondylar fracture of the humerus. Namely: after reduction, the bone position can be maintained, and the fracture can be prevented from being displaced after reduction. The liberation operator can keep the hands of the bone, reduce the X-ray radiation of the operator and the children patients and prevent occupational exposure. Has the advantages of auxiliary fixation, auxiliary positioning, simple operation and convenient disassembly, can shorten the operation time, reduce the ray radiation and protect doctors and patients.
The first metal marking line, the second metal marking line and the positioning sheet which are arranged on the front clamping sheet and the rear clamping sheet can be developed under X-ray, and the inserting direction of the Kirschner wire is comprehensively judged under the positive sheet and the side sheet of the C-shaped arm X-ray machine through the positioning sheet and the metal marking lines of the front clamping sheet and the rear clamping sheet, so that the judgment efficiency and the judgment accuracy are improved, and the radiation quantity of patients and medical staff is reduced; the accuracy of the Kirschner wire needle insertion can be improved through the sighting device, needle overflow is reduced, and the phenomenon that the Kirschner wire deflects to accidentally injure nerve and blood vessels is avoided; the Kirschner wire bender can quickly and accurately bend a Kirschner wire fully and effectively, achieves the purposes of saving labor and improving efficiency, can bury the needle tail of the Kirschner wire under the skin, and reduces the problems of needle tract infection and inconvenient nursing caused by the fact that the needle tail of the Kirschner wire is left outside the skin.
Drawings
Fig. 1 is a schematic diagram of the use of an auxiliary external fixation instrument for the treatment of the supracondylar fracture of the humerus in a crossed kirschner wire fixation manner.
Fig. 2 is a schematic structural view of the fixed jaw.
Wherein, 1, a front splint; 11. a front splint body; 12. an abutting portion; 13. an arc-shaped slot; 14. a first metal mark line; 2. a rear splint; 21. a rear splint body; 22. a positioning part; 23. a second metal marking line; 3. a fixing clip; 31. a front clamp handle; 311. a strip-shaped hole; 32. a rear clamp handle; 33. a pivot; 4. a first strap; 41. a plastic ring; 42. a turntable; 5. locking the nut; 51. rotating the handle; 6. a second strap; 61. a hook and loop fastener; 7. a hexahedral bolster; 8. positioning plates; A. an upper arm; B. a forearm; C. the wrist joint.
Detailed Description
The following description of the embodiments of the present invention is provided to facilitate the understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and it will be apparent to those skilled in the art that various changes may be made without departing from the spirit and scope of the invention as defined and defined in the appended claims, and all matters produced by the invention using the inventive concept are protected.
As shown in fig. 1, the auxiliary external fixation instrument for the treatment of the supracondylar fracture of the humerus with the crossed kirschner wire fixation comprises:
the fixing clamp is used for clamping the position of the child supracondylar fracture of the humerus on the upper arm, and particularly clamps the far end of the upper arm.
The hexahedral bolster is used for supporting and levering the cushion between the front arm and the upper arm, and particularly, when the fixed clamp clamps clamp and fix, the hexahedral bolster is placed at the front end of the front clamping plate, the front arm leans against the hexahedral bolster, and the hexahedral bolster plays a role of a fulcrum in a lever. The hexahedral bolster 7 is a trapezoidal block, and grooves which are respectively abutted against the forearms and the upper arms are arranged on a plurality of pairs of symmetrical surfaces of the trapezoidal block. The hexahedral bolster in the shape of the trapezoid block is just matched with the position interval between the forearm and the upper arm of the child in the minimally invasive cross Kirschner wire treatment operation process, and the stability of the hexahedral bolster can be improved through the clamping effect of the groove.
The positioning pieces 8 are detachably arranged on the upper arm and can be developed under X-ray fluoroscopy. The locating plate 8 is divided into 2 types: one is small triangular metal sheets uniformly distributed on the upper surface; the other type is small round metal sheets uniformly distributed on the surface of the X-ray machine, so that the X-ray machine can be developed under X-rays, and specific positions can be judged by displaying different images under a positive position sheet and a side position sheet of the C-shaped arm X-ray machine through different shapes. One end face of the positioning plate is provided with an adhesive, a piece of protective paper is adhered on the adhesive, the protective paper is torn, the positioning plate can be adhered on the external humeral epicondyle, the internal humeral epicondyle and the skin of a patient about 5-10cm away from the fracture line, different types of positioning plates are adhered on the same level to position the driving direction of the Kirschner wire
And the sighting device is used for guiding the driving of the Kirschner wire by obliquely crossing the elbow joint. The sighting device is U-shaped, a Kirschner wire inserting device is arranged at one top end of the U-shaped, a positioning hole is arranged at the other top end of the U-shaped, the positioning hole and the Kirschner wire are coaxially arranged, and the accuracy of the direction of the Kirschner wire is ensured by inserting the Kirschner wire into the positioning hole through the broken end of the human fracture.
The Kirschner wire bending device is used for bending the exposed part of the Kirschner wire after the Kirschner wire is driven into the fracture end. The Kirschner wire bending device comprises 2 sleeves, a handle is fixed at the top end of each sleeve, and the inner aperture of each sleeve is slightly larger than the outer diameter of each Kirschner wire, so that the sleeves can be sleeved on the Kirschner wires from one ends of the Kirschner wires and can be pushed to the skin to bend the Kirschner wires.
As shown in fig. 2, the fixing forceps holder includes a front splint 1 and a rear splint 2 respectively attached to the front and rear sides of the upper arm a, and a fixing clip 3 held between the front splint 1 and the rear splint 2, and the front splint 1 is provided with a first strap 4 connected to the wrist joint C.
Front splint 1 includes front splint body 11, and the one end that front splint body 11 is close to forearm B is provided with the butt portion 12 that is the arc and upwarps 30, can satisfy the anteversion dissection needs of the forward 30 of upper arm bone distal end, is provided with arc wall 13 on the up end of butt portion 12, has buried many first metal mark lines 14 in the front splint body 11 that is close to butt portion 12 underground, and the one end rotation that front splint body 11 kept away from butt portion 12 is connected with first bandage 4. The front splint body 11 is tightly attached to the upper surface of the upper arm A, the outer surface of the abutting part 12 is contacted with the forearm B, and the arc-shaped groove 13 prevents the front splint from pressing the skin of the forearm.
Can connect with wrist joint C through first bandage 4, rotate to connect first bandage 4 on preceding splint body 11 and can improve the convenience in that forearm B pronate or the back position homoenergetic winding is fixed. First bandage 4 is tied up on a plastic ring 41, and the plastic ring is fixed in on the carousel 42, is provided with the ring boss on the outer face of cylinder of the one end of plastic ring 41 is kept away from to carousel 42, and the ring boss inserts and offers in the counter bore on preceding splint body 11, offers on the interior pore wall of counter bore to supply the ring boss to insert and rotatory ring recess.
When the forearm is in the supination position, the first bandage 4 winds the wrist joint from the radial side of the wrist joint, winds the wrist joint through the back side of the wrist joint, winds out from the ulnar side and is tied to the plastic ring, the tension of the first bandage 4 and the supporting effect of the hexahedral bolster keep the stability of the fracture after reduction through the mechanical principle of the lever. For the fixation of the anteversion position of the forearm, the first bandage 4 is passed through the volar side of the wrist joint from the radial side of the wrist joint, wound around the wrist joint, pulled from the ulnar side to the upper arm and tied to the plastic ring.
The fixing clip 3 comprises a front clip handle 31 and a rear clip handle 32, the handle ends of the front clip handle 31 and the rear clip handle 32 are connected through a pivot 33, a torsion spring (not shown in the figure) is sleeved on the pivot 33, two ends of the torsion spring are respectively fixed on the front clip handle 31 and the rear clip handle 32, the front clip handle 31 is fixed on the front splint 1, and the rear clip handle 32 is fixed on the rear splint. The front splint 1 and the rear splint 2 form a clamp shape under the action of the pivot and the torsion spring, can be quickly clamped and fixed on the upper arm A, can quickly fix the reset supracondylar fracture of the humerus, improves the working efficiency, and has the torsion action of the torsion spring to ensure that the clamping is more stable.
Three cylinders are fixed on the front splint 1 along the length direction at intervals side by side, a strip-shaped hole 311 for the three cylinders to pass is arranged on the front splint handle 31, and a locking nut 5 is connected with the cylinder in the middle of the three cylinders through threads. Limiting effect is exerted on the front splint 1 through the three cylinders, the front splint 1 is prevented from shifting in the horizontal direction relative to the front clamp handle 31, the fixing clamp 3 is limited to shift in the vertical direction relative to the front splint 1 through the locking of the locking nut 5 and the middle cylinder, and then the fixing clamp 3 can firmly clamp and fix the front splint 1 and the rear splint 2 together with the front arm B.
The rear splint 2 comprises a rear splint body 21, one end of the rear splint body 21 adjacent to the upper arm is provided with a positioning part 22 which is arc-shaped and upwarps, the length of the rear splint body 21 is larger than that of the front splint body, a plurality of second metal marking lines 23 are embedded in the rear splint body 21 adjacent to the positioning part 22, the intervals between the adjacent second metal marking lines 23 and the adjacent first metal marking lines 14 are different, and the lengths of the second metal marking lines 23 and the first metal marking lines 14 are different. The rear splint 2 is used for clinging to the rear of an elbow joint, the forward 30-degree upwarping design of the positioning part 22 meets the anatomical physiological requirement that the distal end of the humerus has a forward rake angle of about 30 degrees forward, the position of the rear splint 2 is displayed under X-ray fluoroscopy through the second metal marking line 23, the position of the front splint 1 is displayed under X-ray fluoroscopy through the first metal marking line 14, 2 groups of metal wires are visible on the side of the splint, the relative positions of the metal wires and the bone folding line can be clearly displayed on an X-ray machine positive sheet, and visual accurate positioning is provided for the needle inserting direction and the needle withdrawing direction of a Kirschner wire.
Three cylinders (not shown in the figure) are fixed on the rear clamping plate body 21 side by side at intervals along the length direction, round holes for the three cylinders to pass through are formed in the rear clamping handle 32, a locking nut is connected to the middle cylinder in the three cylinders in a threaded mode, and after the locking nut is locked, the rear clamping plate 2 cannot move on the rear clamping handle 32; the front clamp handle 31 and the rear clamp handle 32 are both provided with trepanning designs and fixed by locking nuts, and 2 clamping plates can be assembled and fixed from two sides of the front clamping plate and the rear clamping plate; the design can lead the auxiliary external fixation instrument for the child supracondylar fracture of the humerus to fix the child supracondylar fracture of the humerus from the inner side or the outer side of the elbow joint, no matter the left side or the right side, and one set of instruments is not divided into left and right sides, thereby expanding the application range of the external fixation instrument and reducing the medical cost.
A soft cotton layer is fixed to the outside of the contact portion 12 and the inside of the positioning portion 22. Can sweat-absorbing through the cotton layer of soft, also can improve the compliance with human contact, improved patient's travelling comfort.
A second bandage 6 is fixed on the front splint body 11 near the abutting portion 12, one end of the second bandage 6 is provided with a hook and thorn sheet of the fastening tape 61 and fixed on the front splint body 11, the other end is a free end, and a fluff sheet of the fastening tape 61 is fixed on the free end. After the fixation clamp 3 is fixed with front splint 1 and 2 centre grippings of back splint, carry out the ligature to front splint 1 and back splint 2 through second bandage 6, improve fixed fastness, the setting of thread gluing area 61 is convenient for second bandage 6 can be ligature fast and quick dismantlement. The second bandage 6 is wound around the front splint and the rear splint around the elbow joint, so that the effect of assisting in fixing the fracture can be achieved, the fixation is firmer, and the fixation and the loosening are convenient due to the design of the thread gluing.
A rotation handle 51 is fixed to the top surface of the lock nut 5. The medical staff can rotate the locking nut 5 directly by rotating the handle 51, and the convenience is improved.
When in use, the space between the front splint 1 and the rear splint 2 is increased by pressing the fixing clamp 3 to clamp on the elbow joint, the front splint 1 and the rear splint 2 are tightly bound by the second bandage 6 to increase the stability of fracture fixation, in order to improve the operation convenience, the second bandage 6 is a magic tape, the hexahedral bolster 7 is put in place according to the required included angle between the forearm and the upper arm, the first bandage 4 is fixed by clockwise or anticlockwise bypassing the wrist joint, the first bandage 4 has no elasticity and is used for limiting the distance between the wrist joint and the upper arm, the butting action of the hexahedral bolster 7 is used for limiting the distance between the lower end of the forearm and the upper arm, the action of a lever fulcrum is played, and a stable posture is further kept between the forearm and the upper arm, thereby the arm posture of a patient is not required to be fixed by medical care personnel in the operation process, the operator can be far away from the operation area in the perspective process, the time of X-ray radiation of medical staff is reduced, and business workers are protected. The whole fixing and loosening process can be completed within 1 minute; and the redetachment of the fracture after reduction can be completely avoided after the fixation is stable.
After the positions of the forearm and the upper arm are fixed, the needle inserting direction of the fracture part is comprehensively judged by combining the front and side sheets of a display screen of a C-type X-ray machine, after the needle inserting positions of the two Kirschner wires are marked, the Kirschner wires are driven into the fracture end by using a sighting device, and then the tail ends of the Kirschner wires are bent by using a Kirschner wire bending device.
The invention discloses an auxiliary external fixation instrument for fixing and treating child supracondylar fracture of humerus by using a cross Kirschner wire, which is a disposable sterile packaging tool and is used in an anesthesia state.
Claims (10)
1. An auxiliary external fixation instrument for the fixation treatment of the supracondylar fracture of the humerus of a child by a cross Kirschner wire, which is characterized by comprising:
the fixing clamp is used for clamping the upper arm to keep the reset humerus supracondylar fracture of the child, a hexahedral bolster used for cushioning the supporting function between the front arm and the upper arm, a plurality of positioning sheets which are detachably distributed on the upper arm and can be developed under X-ray perspective, a sighting device used for guiding the needle inserting direction of the Kirschner wire by obliquely crossing an elbow joint, and a Kirschner wire bending device used for bending the exposed part of the Kirschner wire after the Kirschner wire is driven into the fracture end.
2. The crossed kirschner wire fixation auxiliary external fixation instrument for the treatment of the supracondylar fracture of the pediatric humerus as recited in claim 1, wherein the fixation forceps holder comprises a front splint and a rear splint respectively clinging to the front side and the rear side of the upper arm, and a fixation clip clamped on the front splint and the rear splint, and the front splint is provided with a first bandage connected with a wrist joint.
3. The crossed kirschner wire auxiliary external fixation instrument for the fixation treatment of the supracondylar fracture of the humerus of the child according to claim 2, wherein the front splint comprises a front splint body, one end of the front splint body is provided with an abutting part which is curved and upwarps by 30 degrees, an arc-shaped groove is arranged on the upper end surface of the abutting part, a plurality of first metal marking lines are embedded in the front splint body adjacent to the abutting part, and one end of the front splint body, far away from the abutting part, is connected with a first bandage through a plastic ring which is rotatably connected.
4. The crossed kirschner wire auxiliary external fixation instrument for the fixation treatment of the supracondylar fracture of the humerus of the child according to claim 2 or 3, wherein the fixation clamp comprises a front clamp handle and a rear clamp handle, the front clamp handle is connected with the handle end of the rear clamp handle through a pivot, a torsion spring is sleeved on the pivot, two ends of the torsion spring are respectively fixed on the front clamp handle and the rear clamp handle, the front clamp handle is fixed on the front splint, and the rear clamp handle is fixed on the rear splint.
5. The crossed kirschner wire auxiliary external fixation instrument for the fixed treatment of the supracondylar fracture of the humerus of the child according to claim 4, wherein three cylinders are fixed on the front splint side by side at intervals along the length direction, a strip-shaped hole for the three cylinders to pass through is arranged on the front clamp handle, the cylinders on two sides of the three cylinders are lower than the cylinder in the middle, and a locking nut is connected to the cylinder in the middle in a threaded manner.
6. The crossing kirschner wire fixation auxiliary external fixation instrument for treating child supracondylar fracture of humerus according to claim 5, it is characterized in that the rear splint comprises a rear splint body, one end of the rear splint body is provided with a positioning part which is cambered and upwarps for 30 degrees, the length of the rear splint body is larger than that of the front splint body, a plurality of second metal marking lines are embedded on the rear splint body adjacent to the positioning part, the intervals between the adjacent second marking lines and the adjacent first marking lines are not equal, the lengths of the second marking line and the first marking line are not equal, three cylinders are fixed on the rear splint body side by side at intervals along the length direction, the rear clamping handle is provided with a circular hole for the three cylinders to pass through, the cylinders on two sides in the three cylinders are lower than the cylinder in the middle, and the cylinder in the middle is in threaded connection with a locking nut.
7. The crossed kirschner wire fixation auxiliary external fixation instrument for treating infantile supracondylar fracture of humerus as claimed in claim 6, wherein a soft cotton layer is fixed on both the outer side of the abutting part and the inner side of the positioning part.
8. The crossed kirschner wire auxiliary external fixation instrument for the fixation treatment of the pediatric supracondylar fracture of the humerus as recited in claim 3, wherein a second bandage is fixed on the front splint body adjacent to the abutting part, and a magic tape is arranged on the second bandage.
9. The crossed kirschner wire fixation auxiliary external fixation instrument for treating infantile supracondylar fracture of humerus as claimed in claim 5, wherein a rotation handle is fixed on the top surface of the locking nut.
10. The crossed kirschner wire auxiliary external fixation instrument for the fixation treatment of the supracondylar fracture of the humerus in children according to claim 1, wherein the hexahedral bolster is a trapezoidal block, and grooves respectively abutted against the forearm and the upper arm are arranged on a plurality of pairs of symmetrical surfaces of the trapezoidal block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010038249.7A CN111227915B (en) | 2020-01-14 | 2020-01-14 | Auxiliary external fixation instrument for treating child supracondylar fracture of humerus by fixing through cross Kirschner wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010038249.7A CN111227915B (en) | 2020-01-14 | 2020-01-14 | Auxiliary external fixation instrument for treating child supracondylar fracture of humerus by fixing through cross Kirschner wire |
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| CN112022479A (en) * | 2020-09-29 | 2020-12-04 | 成都市新都区中医医院 | Integrated fixing method for humerus surgical neck splint |
| CN113288557A (en) * | 2021-05-14 | 2021-08-24 | 山西医科大学第二医院 | Improved elbow joint terror triple sign medical instrument |
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| CN111227915B (en) | 2023-03-07 |
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