CN116211490A - Miniature external fixation frame of finger - Google Patents
Miniature external fixation frame of finger Download PDFInfo
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- CN116211490A CN116211490A CN202310265858.XA CN202310265858A CN116211490A CN 116211490 A CN116211490 A CN 116211490A CN 202310265858 A CN202310265858 A CN 202310265858A CN 116211490 A CN116211490 A CN 116211490A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/10—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges for stereotaxic surgery, e.g. frame-based stereotaxis
- A61B90/14—Fixators for body parts, e.g. skull clamps; Constructional details of fixators, e.g. pins
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
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Abstract
The invention relates to the field of finger medical treatment, in particular to a miniature external fixing frame for fingers. Comprising the following steps: the bearing box is arranged in a horizontal state; the positioning mechanism is connected with the bearing box and comprises an air cushion arranged above the bearing box; the lifting mechanism is arranged below the positioning mechanism and is connected with the bearing box; the supporting chassis is arranged at the lower end of the air cushion and connected with the upper end of the lifting mechanism, and an arc-shaped through hole is formed in the supporting chassis; the five joint bending and stretching mechanisms correspond to the five fingers, each joint bending and stretching mechanism comprises a sliding bolt, and the five sliding bolts are in sliding connection with the arc-shaped through holes; the five bundling mechanisms are respectively connected with the five joint bending and stretching mechanisms, and the bundling mechanisms can ensure that fingers of a patient cannot be curled in the operation process. The device can adapt to different injuries of different patients, so that the patients can fix the fingers both in and after the operation.
Description
Technical Field
The invention relates to the field of finger medical treatment, in particular to a miniature external fixing frame for fingers.
Background
In the process of performing an operation on a finger, the operation can be performed only by fixing the finger, and at present, one person cannot perform the operation in the process, and the operation can be completed only by the help of another person.
In the prior art, when the finger is operated, the finger is required to be placed on the fixing clamp, and after the finger is stable, the operation is performed on the finger. Devices exist in the prior art for clamping fingers by means of clamping blocks on the left and right sides in order to secure and control blood; but this fixing device when using, palm and hand body can not accurately place, cause the finger to place unstably, simultaneously, because different patient's finger injury condition is different, the operation in-process need bend to stretch to different patient's finger and adjust, traditional fixing device is fixed at this in-process and control blood effect is not good enough, and the clamping effect is not reached the best. Meanwhile, when the traditional finger fixing device performs operation on the finger, the finger performing the operation is clung to the adjacent finger, and at the moment, an operator not only needs to fix the injured finger, but also needs to fix the adjacent finger of the injured finger, so that the adjacent finger is prevented from touching the injured finger.
For this, we need to design a miniature external fixing frame for fingers.
Disclosure of Invention
Based on this, it is necessary to provide a miniature external finger mount-against the prior art problems.
In order to solve the problems in the prior art, the invention adopts the following technical scheme:
a miniature external finger mount comprising:
the bearing box is arranged in a horizontal state;
the positioning mechanism is connected with the bearing box and comprises an air cushion arranged above the bearing box;
the lifting mechanism is arranged below the positioning mechanism and is connected with the bearing box;
the supporting chassis is arranged at the lower end of the air cushion and connected with the upper end of the lifting mechanism, and an arc-shaped through hole is formed in the supporting chassis;
the five joint bending and stretching mechanisms correspond to the five fingers, each joint bending and stretching mechanism comprises a sliding bolt, and the five sliding bolts are in sliding connection with the arc-shaped through holes;
the five bundling mechanisms are respectively connected with the five joint bending and stretching mechanisms, and the bundling mechanisms can ensure that fingers of a patient cannot be curled in the operation process.
Further, the positioning mechanism further comprises a supporting side plate, a belt buckle, an air pipe, an air release valve and an extrusion air bag, wherein the supporting side plate is fixedly arranged at the upper end of the supporting box in a vertical state, the belt buckle is arranged at the upper end of the supporting side plate, one end of the belt buckle is hinged with the supporting side plate, the other end of the belt buckle is detachably connected with the supporting side plate, the air release valve is arranged at the side of the supporting box, one end of the air pipe is connected with the air cushion, the other end of the air release valve is connected with the air release valve, and the extrusion air bag is arranged at one end of the air release valve far away from the air pipe.
Further, lifting mechanism includes runner, the drive shaft, first umbrella tooth, the second umbrella tooth, spacing axle sleeve, spacing screw rod and two spacing branches, the drive shaft is the lateral wall rotation of the one end that support curb plate was kept away from to horizontality and bearing case and is connected, the runner stretches out the outer one end key joint of bearing case with the drive shaft, first umbrella tooth stretches into the one end key joint of bearing incasement with the drive shaft, the second umbrella tooth sets up the side at first umbrella tooth and meshes with first umbrella tooth, spacing screw rod and second umbrella tooth threaded connection, spacing axle sleeve coaxial line sets up in spacing screw rod's below and with spacing screw rod threaded connection, spacing screw rod and bearing chassis fixed connection, two spacing branches are symmetrical state setting and are in bearing case's upper end and with bearing chassis sliding connection.
Further, the joint flexes and stretches mechanism and still includes locating nut, first extension board and second extension board, and locating nut connects soon in the lower part of sliding bolt and supports tightly with the lower extreme of bearing chassis, first extension board and sliding bolt fixed connection, and the one end shaping that sliding bolt was kept away from to first extension board has columniform linking portion, and the one end shaping that the second extension board is close to first extension board has columniform free portion, free portion and linking portion coaxial line setting.
Further, the joint bending and stretching mechanism further comprises a movable bolt, a positioning baffle, a positioning spring and two ratchet wheels, wherein the middle part of the movable bolt is coaxially arranged with the joint part of the first support plate, two ends of the movable bolt are respectively coaxially arranged with the free part of the second support plate, the positioning baffle is arranged at one end of the movable bolt, the positioning spring is coaxially arranged with the movable bolt, the two ratchet wheels are respectively coaxially and fixedly sleeved outside the movable bolt, one end of the positioning spring is propped against the positioning baffle, and the other end of the positioning spring is connected with the inner wall of the free part of the second support plate.
Further, the festival is bent and is stretched mechanism still includes the location gasket, the location gasket has a plurality of location flanges along the circumferencial direction shaping, there is a pawl at the both ends of the linking portion inner wall of first extension board along circumferencial direction even array, even array has a plurality of first spacing recess on the both ends free portion of second extension board, the one end shaping that the locating baffle was kept away from to the movable bolt has spheroidal movable part, the location gasket sets up in the side of movable part and is connected with movable bolt key, a plurality of location flanges are pegged graft with a plurality of first spacing recess one-to-one that is close to movable part one side, the locating baffle has a plurality of spacing flanges along circumferencial direction even array, a plurality of spacing flanges are pegged graft with a plurality of first spacing recess one-to-one that is close to locating baffle one side, pawl and two ratchet correspond pegging graft.
Further, the bundling mechanism comprises two limit baffles, four first limit sliding blocks and two movable lock catches, wherein the two limit baffles are provided with first limit sliding grooves in a forming mode, the four first limit sliding blocks are connected with the two first limit sliding grooves in a sliding mode in a group mode, and the two movable lock catches are connected with the two first limit sliding blocks in a group in an interference mode in an inserting mode.
Further, tie up mechanism still includes second spacing slider, fingertip sleeve, location clamp plate, L type baffle and two positioning bolt, L type baffle sets up the lower extreme at the second extension board, the both sides of L type baffle link to each other with two first spacing sliders respectively, the upper end shaping of second extension board has the spacing recess of second, the spacing slider of second and the spacing recess sliding connection of second, fingertip sleeve and the removable connection of the spacing slider of second, the location clamp plate sets up in fingertip telescopic inside, two positioning bolt meet with the upper end of location clamp plate respectively, two positioning bolt still with fingertip telescopic upper end threaded connection.
Compared with the prior art, the invention has the following beneficial effects:
the method comprises the following steps: the device lifts the palm of the patient through the air cushion, so that muscle fatigue of the patient caused by overlong hand overhead time in operation is avoided, and meanwhile, the soft air cushion can improve the comfort level of the hand of the patient;
and two,: the finger of the patient can be adjusted through the second support plate, so that the finger of the patient can be adjusted to bend and stretch along with the injured condition, and the finger is suitable for different injured conditions of different patients;
and thirdly,: the device can adjust the position of the finger of the patient by adjusting the position of the sliding bolt, so that the fingers on two sides of the injured finger form avoidance, and the influence on the operation of the patient is avoided;
fourth, it is: this device accessible removes the hasp and fixes injured finger, removes the position of hasp and can also adjust to this avoids the wound, after the operation, operating personnel installs the fingertip sleeve again and adjusts the position of location clamp plate and support tightly patient's finger, makes patient's finger can keep fixed in follow-up recovery process.
Drawings
FIG. 1 is an isometric view of the present device;
FIG. 2 is an enlarged schematic view of the structure shown at A in FIG. 1;
FIG. 3 is a perspective view of the present device;
FIG. 4 is an exploded perspective view of the present device;
FIG. 5 is an enlarged schematic view of the structure at B in FIG. 4;
FIG. 6 is a schematic perspective view of the joint bending and stretching mechanism and the strapping mechanism in the present device;
FIG. 7 is an exploded perspective view of the strapping mechanism of the present apparatus;
fig. 8 is an exploded view of the joint bending and stretching machine in the device.
The reference numerals in the figures are:
1. a bearing box; 2. a positioning mechanism; 3. supporting the side plates; 4. a belt buckle; 5. an air cushion; 6. an air pipe; 7. a release valve; 8. extruding the air bag; 9. a lifting mechanism; 10. a rotating wheel; 11. a drive shaft; 12. a first bevel gear; 13. a second bevel gear; 14. a limiting shaft sleeve; 15. a limit screw; 16. a limit strut; 17. a supporting chassis; 18. an arc-shaped through hole; 19. a joint bending and stretching mechanism; 20. a sliding bolt; 21. positioning a screw cap; 22. a first support plate; 23. a joint portion; 24. a pawl; 25. a second support plate; 26. a free portion; 27. the first limit groove; 28. the second limit groove; 29. a movable bolt; 30. a movable part; 31. positioning a baffle; 32. a limit flange; 33. a positioning spring; 34. a ratchet wheel; 35. a bundling mechanism; 36. a limit baffle; 37. the first limiting chute; 38. the first limiting slide block; 39. moving the lock catch; 40. the second limit sliding block; 41. a fingertip sleeve; 42. positioning a pressing plate; 43. positioning bolts; 44. an L-shaped baffle; 45. positioning a gasket; 46. and positioning the flange.
Detailed Description
The invention will be further described in detail with reference to the drawings and the detailed description below, in order to further understand the features and technical means of the invention and the specific objects and functions achieved.
Referring to fig. 1 to 8, a miniature external finger mount, comprising:
the bearing box 1 is arranged in a horizontal state;
the positioning mechanism 2 is connected with the bearing box 1 and comprises an air cushion 5 arranged above the bearing box 1;
the lifting mechanism 9 is arranged below the positioning mechanism 2 and is connected with the bearing box 1;
the supporting chassis 17 is arranged at the lower end of the air cushion 5 and is connected with the upper end of the lifting mechanism 9, and an arc-shaped through hole 18 is formed in the supporting chassis 17;
the five joint bending and stretching mechanisms 19 correspond to five fingers, each joint bending and stretching mechanism 19 comprises a sliding bolt 20, and the five sliding bolts 20 are in sliding connection with the arc-shaped through holes 18;
five strapping means 35 are connected to the five articulated flexion and extension means 19, respectively, the strapping means 35 ensuring that the patient's fingers do not twist during the operation.
When the device is operated, when a patient puts the palm on the air cushion 5, an operator firstly inflates the air cushion 5 to lift the hand cushion of the patient, support is provided for the palm of the patient, then the lifting mechanism 9 is started again to drag the bearing chassis 17, the bearing chassis 17 moves to drive the air cushion 5 to move upwards until the palm (or the back of the hand) of the patient is completely jacked up, the palm of the patient is ensured to have upward bearing force, the palm of the patient is prevented from being overhead, and fatigue is caused in the subsequent operation process. In this process, the five fingers of the patient correspond to the five joint bending and stretching mechanisms 19, and each finger is fixed by the strapping mechanism 35, so that the fingers of the patient cannot be contracted in the operation process, and the operator can actively adjust the distance between the five fingers of the patient by adjusting the positions of the five sliding bolts 20, so that the injured fingers of the patient have enough operated space in the operation process.
In order to hold up the palm of the patient, the following features are provided in particular:
the positioning mechanism 2 further comprises a supporting side plate 3, a belt buckle 4, an air pipe 6, an air release valve 7 and an extrusion air bag 8, wherein the supporting side plate 3 is fixedly arranged at the upper end of the supporting box 1 in a vertical state, the belt buckle 4 is arranged at the upper end of the supporting side plate 3, one end of the belt buckle 4 is hinged with the supporting side plate 3, the other end of the belt buckle is detachably connected with the supporting side plate 3, the air release valve 7 is arranged at the side of the supporting box 1, one end of the air pipe 6 is connected with the air cushion 5, the other end of the air pipe 6 is connected with the air release valve 7, and the extrusion air bag 8 is arranged at one end of the air release valve 7, which is far away from the air pipe 6. When the device is operated, after the patient places the palm on the air cushion 5, operating personnel detains belt clamp 4 on supporting curb plate 3, then operating personnel presses extrusion gasbag 8, extrusion gasbag 8 pumps air into air cushion 5 through trachea 6, can prop up patient's palm after air cushion 5 swells, then operating personnel screw up air release valve 7 and prevent air backflow in air cushion 5, after the operation is finished, operating personnel screw up air release valve 7 again and emit the air in air cushion 5, air cushion 5 can not only make the patient provide the support for patient's palm in the operation process, afterwards when rehabilitation training, operating personnel can also adjust the height of air cushion 5 and the degree that air cushion 5 aerifys according to the degree of recovery of patient's finger, make the patient's hand homoenergetic obtain a suitable bearing effect in the operation of patient or in the rehabilitation, avoid the patient in long-term operation process and follow-up long rehabilitation period, cause muscle fatigue because of the palm is unsettled, not only reduce patient's comfort level, can also influence the effect to the finger.
In order to adapt to the hand sizes of different patients, the following characteristics are specifically set:
the lifting mechanism 9 comprises a rotating wheel 10, a driving shaft 11, a first bevel gear 12, a second bevel gear 13, a limiting shaft sleeve 14, a limiting screw 15 and two limiting support rods 16, wherein the driving shaft 11 is in a horizontal state and is rotationally connected with the side wall of one end, far away from the supporting side plate 3, of the supporting box 1, the rotating wheel 10 is in key connection with one end, extending out of the supporting box 1, of the driving shaft 11, the first bevel gear 12 is in key connection with one end, extending into the supporting box 1, of the driving shaft 11, the second bevel gear 13 is arranged beside the first bevel gear 12 and meshed with the first bevel gear 12, the limiting screw 15 is in threaded connection with the second bevel gear 13, the limiting shaft sleeve 14 is coaxially arranged below the limiting screw 15 and is in threaded connection with the limiting screw 15, the limiting screw 15 is fixedly connected with the supporting chassis 17, and the two limiting support rods 16 are symmetrically arranged at the upper end of the supporting box 1 and are in sliding connection with the supporting chassis 17. When the device operates, an operator rotates the rotating wheel 10, the rotating wheel 10 rotates to drive the driving shaft 11 connected with the rotating wheel to rotate, the driving shaft 11 rotates to drive the first umbrella tooth 12 connected with the rotating wheel to rotate, the first umbrella tooth 12 rotates to drive the second umbrella tooth 13 meshed with the first umbrella tooth to rotate, the second umbrella tooth 13 rotates to drive the limit screw 15 in threaded connection with the second umbrella tooth to displace along the axis direction of the second umbrella tooth, the limit screw 15 moves to drive the support chassis 17 to displace in the vertical direction, and the support chassis 17 moves to drive the air cushion 5 connected with the support chassis 17 to move so as to adapt to palm sizes of different patients. In the process, the limiting shaft sleeve 14 can provide limiting for the limiting screw rod 15, and the two limiting support rods 16 can prevent the supporting chassis 17 from moving when moving.
In order to adapt to the operation conditions of different patients and enable the fingers to bend and stretch, the following characteristics are specifically set:
the joint bending and stretching mechanism 19 further comprises a positioning nut 21, a first support plate 22 and a second support plate 25, wherein the positioning nut 21 is screwed on the lower portion of the sliding bolt 20 and abuts against the lower end of the supporting chassis 17, the first support plate 22 is fixedly connected with the sliding bolt 20, a cylindrical connecting portion 23 is formed at one end, far away from the sliding bolt 20, of the first support plate 22, a cylindrical free portion 26 is formed at one end, close to the first support plate 22, of the second support plate 25, and the free portion 26 and the connecting portion 23 are coaxially arranged. When the device operates, an operator can change the position of the sliding bolt 20 by adjusting the positioning nut 21, the sliding bolt 20 can drive the first support plate 22 to move, the first support plate 22 can drive the second support plate 25 connected with the first support plate 22 to move, at the moment, the finger of the patient can move along with the movement to avoid the injured finger, the injured finger can be conveniently operated, the second support plate 25 can rotate through the free part 26 and the connecting part 23 of the first support plate 22, and the finger of the patient can be adjusted in a bending and stretching mode through the rotation, so that the device is suitable for the operation conditions of different patients. Compare in a finger and toe expansion device that the publication number is CN213250081U, this device can expand to the finger equally, make and keep certain distance between the injured finger, but this device is multi-purpose in patient 'S recovered phase, in order to medical personnel to apply medicine at the injured position of patient, compare in this device, this device can use simultaneously in operation period and recovered phase, application scope is wider, but this device wraps up completely the injured finger of patient through tie up mechanism 35, the device is bigger with the contact surface of patient' S finger, according to formula S (stress area) =F (pressure)/p (pressure), compare in the comparison file finger and lantern ring and contact, stress area (S) in this device is bigger, under the unchangeable circumstances of pressure (F), patient who uses this device, the pressure (p) that its finger receives is less, the extrusion to patient 'S wound is less, be favorable to improving patient recovered phase' S comfort level.
In order to prevent the first support plate 22 and the second support plate 25 from rotating relatively, the following features are provided:
the joint bending and stretching mechanism 19 further comprises a movable bolt 29, a positioning baffle 31, a positioning spring 33 and two ratchet wheels 34, wherein the middle part of the movable bolt 29 is coaxially arranged with the connecting part 23 of the first support plate 22, two ends of the movable bolt 29 are coaxially arranged with the free part 26 of the second support plate 25 respectively, the positioning baffle 31 is arranged at one end of the movable bolt 29, the positioning spring 33 is coaxially arranged with the movable bolt 29, the two ratchet wheels 34 are coaxially fixedly sleeved outside the movable bolt 29 respectively, one end of the positioning spring 33 is propped against the positioning baffle 31, and the other end of the positioning spring 33 is connected with the inner wall of the free part 26 of the second support plate 25. When the device operates, the movable bolt 29 is arranged coaxially with the joint part 23 of the first support plate 22 and the free part 26 of the second support plate 25, when the position of the second support plate 25 relative to the first support plate 22 needs to be changed, namely, the second support plate 25 needs to rotate relative to the first support plate 22, an operator pulls the movable bolt 29, the positioning spring 33 is compressed at the moment, and the operator can adjust the angle of the second support plate 25, so that the device is suitable for the condition of different injuries of fingers of different patients. During this process, the two ratchet wheels 34 are used to fix the position of the first support plate 22 and the second support plate 25, preventing both from rotating.
In order for the operator to change the angle of the second support plate 25 with respect to the first support plate 22, the following features are provided:
the joint bending and stretching mechanism 19 further comprises a positioning gasket 45, a plurality of positioning flanges 46 are formed on the positioning gasket 45 along the circumferential direction, pawls 24 are uniformly arranged at two ends of the inner wall of the connecting portion 23 of the first support plate 22 along the circumferential direction, a plurality of first limiting grooves 27 are uniformly arranged on the free portions 26 at two ends of the second support plate 25, a spherical movable portion 30 is formed at one end of the movable plug 29, which is far away from the positioning baffle 31, the positioning gasket 45 is arranged at the side of the movable portion 30 and is connected with the movable plug 29 in a key manner, the plurality of positioning flanges 46 are in one-to-one correspondence with the plurality of first limiting grooves 27, which are close to one side of the movable portion 30, of the positioning baffle 31, a plurality of limiting flanges 32 are in one-to-one correspondence with the plurality of first limiting grooves 27, which are close to one side of the positioning baffle 31, of the pawls 24 are in one-to-one correspondence with the two ratchets 34. When the device is operated, when the first support plate 22 and the second support plate 25 need to be fixed, the positioning spring 33 pushes the positioning baffle plate 31, at this time, the two ratchet wheels 34 are corresponding to the pawls 24 formed on the connecting portion 23, namely, the movable plug pins 29 and the first support plate 22 are fixed, the positioning gasket 45 drives the positioning flanges 46 to be inserted into the first limiting grooves 27 close to the movable portion 30, namely, the movable plug pins 29 and the second support plate 25 are fixed, the first support plate 22 and the second support plate 25 can be kept in a relatively static state, when the angle of the second support plate 25 needs to be adjusted, an operator pulls the movable portion 30, at this time, the two ratchet wheels 34 are separated from the corresponding pawls 24, the positioning gasket 45 drives the positioning flanges 46 to be separated from the first limiting grooves 27 close to one side of the movable portion 30, the positioning flanges 32 on the positioning baffle plate 31 can be inserted into the first limiting grooves 27 close to one side of the positioning baffle plate 31, at this time, the movable plug pins 29 and the first support plate 22 can be relatively rotated, the movable plug pins 29 and the second support plate 25 are fixed, and the operator can rotate the movable plug pins 29 and the second support plate 25 to rotate, so that the operator can rotate the movable plug pins 29.
In order to be able to fix the patient's finger to the second support plate 25, the following features are provided:
the bundling mechanism 35 comprises two limit baffles 36, four first limit sliding blocks 38 and two movable lock catches 39, wherein first limit sliding grooves 37 are formed in the two limit baffles 36, each of the four first limit sliding blocks 38 is connected with the two first limit sliding grooves 37 in a sliding mode in a group, and the two movable lock catches 39 are connected with the two first limit sliding blocks 38 in the group in an interference inserting mode. When the device is in operation, after the finger of a patient is placed on the second support plate 25, an operator can drag the two movable lock catches 39 to fix the finger belly of the patient, and the two first limit sliding blocks 38 can change the contact surface between the movable lock catches 39 and the finger belly, so that the movable lock catches 39 are prevented from directly contacting with the wound of the finger of the patient.
In order to prevent the finger of the patient from curling, the following features are provided in particular:
the bundling mechanism 35 further comprises a second limiting slide block 40, a fingertip sleeve 41, a positioning pressing plate 42, an L-shaped baffle plate 44 and two positioning bolts 43, wherein the L-shaped baffle plate 44 is arranged at the lower end of the second support plate 25, two sides of the L-shaped baffle plate 44 are respectively connected with the two first limiting slide blocks 38, a second limiting groove 28 is formed at the upper end of the second support plate 25, the second limiting slide block 40 is in sliding connection with the second limiting groove 28, the fingertip sleeve 41 is detachably connected with the second limiting slide block 40, the positioning pressing plate 42 is arranged in the fingertip sleeve 41, the two positioning bolts 43 are respectively connected with the upper ends of the positioning pressing plate 42, and the two positioning bolts 43 are further in threaded connection with the upper end of the fingertip sleeve 41. When the device is operated, a cavity is formed between the L-shaped baffle plate 44 and the lower end of the second support plate 25, an operator can detach the fingertip sleeve 41 to plug into the cavity, after the operation is finished, the operator can install the fingertip sleeve 41 at the upper end of the second limit sliding block 40, then screw two positioning bolts 43 to drive the positioning pressing plate 42 to move downwards, and then the positioning pressing plate 42 abuts against the finger of a patient downwards, so that the fixing effect can be achieved. Meanwhile, during the operation, the positioning pressing plate 42 can also downwards abut against other normal fingers of the patient, so that after the normal fingers of the patient are prevented from being curled, the curling of the normal fingers can influence the operation process of the injured fingers under the traction of hand fascia and nerves.
The device has the working principle that the palm of a patient is firstly placed on the air cushion 5, an operator presses the extrusion air bag 8 to inflate the air cushion 5 after fixing the hand of the patient through the belt buckle 4, and then the air cushion 5 bulges to support the palm of the patient, so that muscle fatigue of the hand of the patient caused by overhead is avoided.
Then operating personnel rotate runner 10, can drive bearing chassis 17 after the runner 10 rotates and upwards remove, bearing chassis 17 removes and can drive air cushion 5 and remove, air cushion 5 removes the size that can adapt to different patient's hand, then operating personnel readjust corresponding slipping bolt 20 for patient's injured finger separates with adjacent finger, when avoiding carrying out the operation to injured finger, adjacent finger can cause the interference to the doctor, then operating personnel again according to patient's finger pulling corresponding movable bolt 29, adjust the crookedness of injured finger and normal finger, be convenient for follow-up doctor and carry out the operation, at last operating personnel readjust the position of four first spacing sliders 38 on the injured finger, fixed with the finger behind the downward pulling movable lock catch 39, avoid injured finger to take place to break away from, in this process, operating personnel can adjust the position of locating clamp plate 42 on the other fingers, avoid other fingers to take place the shake through muscle or fascia to lead to the finger to the fact the shake because of taking place to curl down in the operation process. After the operation is finished, the patient in the recovery period can also downwards compress the positioning pressing plate 42 on the injured finger to avoid the collision of the injured finger.
The foregoing examples merely illustrate one or more embodiments of the invention, which are described in greater detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (8)
1. A miniature external fixation frame for a finger, comprising:
the bearing box (1) is horizontally arranged;
the positioning mechanism (2) is connected with the bearing box (1) and comprises an air cushion (5) arranged above the bearing box (1);
the lifting mechanism (9) is arranged below the positioning mechanism (2) and is connected with the bearing box (1);
the supporting chassis (17) is arranged at the lower end of the air cushion (5) and is connected with the upper end of the lifting mechanism (9), and an arc-shaped through hole (18) is formed in the supporting chassis (17);
the five joint bending and stretching mechanisms (19) correspond to the five fingers, each joint bending and stretching mechanism (19) comprises a sliding bolt (20), and the five sliding bolts (20) are in sliding connection with the arc-shaped through holes (18);
five bundling mechanisms (35) are respectively connected with the five joint bending and stretching mechanisms (19), and the bundling mechanisms (35) can ensure that fingers of a patient cannot be contracted in the operation process.
2. The miniature external fixator of finger according to claim 1, wherein the positioning mechanism (2) further comprises a supporting side plate (3), a belt buckle (4), an air pipe (6), an air release valve (7) and an extrusion air bag (8), wherein the supporting side plate (3) is fixedly arranged at the upper end of the supporting box (1) in a vertical state, the belt buckle (4) is arranged at the upper end of the supporting side plate (3), one end of the belt buckle (4) is hinged with the supporting side plate (3), the other end of the belt buckle is detachably connected with the supporting side plate (3), the air release valve (7) is arranged at the side of the supporting box (1), one end of the air pipe (6) is connected with the air cushion (5), the other end of the air release valve (7) is connected with the air release valve (8), and the extrusion air bag (7) is arranged at one end of the air release valve (7) far away from the air pipe (6).
3. The miniature external fixator for fingers according to claim 2, wherein the lifting mechanism (9) comprises a rotating wheel (10), a driving shaft (11), a first bevel gear (12), a second bevel gear (13), a limiting shaft sleeve (14), a limiting screw (15) and two limiting struts (16), the driving shaft (11) is in a horizontal state and is rotationally connected with the side wall of the end, far away from the supporting side plate (3), of the supporting box (1), one end, extending out of the supporting box (1), of the driving shaft (11) is in key connection with one end, extending into the supporting box (1), of the driving shaft (11), the first bevel gear (12) is in key connection with one end, extending into the supporting box (1), of the driving shaft (11), the second bevel gear (13) is arranged beside the first bevel gear (12) and is meshed with the first bevel gear (12), the limiting screw (15) is in threaded connection with the second bevel gear (13), the limiting shaft sleeve (14) is coaxially arranged below the limiting screw (15) and is in threaded connection with the limiting screw (15), the limiting screw (15) is fixedly connected with the supporting chassis (17), and the two limiting struts (16) are in a symmetrical state and are arranged at the upper ends of the supporting box (1) and are in sliding connection with the chassis (17).
4. The miniature external fixator for fingers according to claim 1, wherein the joint bending and stretching mechanism (19) further comprises a positioning nut (21), a first support plate (22) and a second support plate (25), the positioning nut (21) is screwed on the lower portion of the sliding bolt (20) and abuts against the lower end of the supporting chassis (17), the first support plate (22) is fixedly connected with the sliding bolt (20), a cylindrical connecting portion (23) is formed at one end, far away from the sliding bolt (20), of the first support plate (22), a cylindrical free portion (26) is formed at one end, close to the first support plate (22), of the second support plate (25), and the free portion (26) and the connecting portion (23) are coaxially arranged.
5. The miniature external fixator for fingers according to claim 4, wherein the joint bending and stretching mechanism (19) further comprises a movable bolt (29), a positioning baffle (31), a positioning spring (33) and two ratchets (34), wherein the middle part of the movable bolt (29) is coaxially arranged with the joint part (23) of the first support plate (22), two ends of the movable bolt (29) are coaxially arranged with the free part (26) of the second support plate (25) respectively, the positioning baffle (31) is arranged at one end of the movable bolt (29), the positioning spring (33) is coaxially arranged with the movable bolt (29), two ratchets (34) are coaxially and fixedly sleeved outside the movable bolt (29) respectively, one end of the positioning spring (33) is propped against the positioning baffle (31), and the other end of the positioning spring is connected with the inner wall of the free part (26) of the second support plate (25).
6. The miniature external fixator for fingers according to claim 5, wherein the joint bending and stretching mechanism (19) further comprises a positioning gasket (45), a plurality of positioning flanges (46) are formed on the positioning gasket (45) along the circumferential direction, pawls (24) are uniformly arranged at two ends of the inner wall of the connecting portion (23) of the first support plate (22) along the circumferential direction, a plurality of first limiting grooves (27) are uniformly arranged on the free portions (26) at two ends of the second support plate (25), a spherical movable portion (30) is formed at one end of the movable bolt (29) far away from the positioning baffle (31), the positioning gasket (45) is arranged beside the movable portion (30) and is connected with the movable bolt (29) in a key connection mode, the positioning flanges (46) are in one-to-one correspondence with the first limiting grooves (27) close to one side of the movable portion (30), the positioning baffle (31) are uniformly arranged with a plurality of limiting flanges (32) along the circumferential direction, the first limiting grooves (27) close to one side of the positioning baffle (31) are in one-to-one correspondence connection mode, and the pawls (24) are in one-to-one correspondence with the two ratchet wheels (34).
7. The miniature external fixator for fingers according to claim 4, wherein the bundling mechanism (35) comprises two limit baffles (36), four first limit sliders (38) and two movable catches (39), wherein the two limit baffles (36) are provided with first limit sliding grooves (37) in a molding mode, the four first limit sliders (38) are respectively connected with the two first limit sliding grooves (37) in a sliding mode in a group mode, and the two movable catches (39) are respectively connected with the two first limit sliding blocks (38) in a group in an interference mode.
8. The miniature external fixation frame for fingers according to claim 7, wherein the bundling mechanism (35) further comprises a second limit slider (40), a fingertip sleeve (41), a positioning pressing plate (42), an L-shaped baffle (44) and two positioning bolts (43), the L-shaped baffle (44) is arranged at the lower end of the second support plate (25), two sides of the L-shaped baffle (44) are respectively connected with the two first limit sliders (38), a second limit groove (28) is formed at the upper end of the second support plate (25), the second limit slider (40) is slidably connected with the second limit groove (28), the fingertip sleeve (41) is detachably connected with the second limit slider (40), the positioning pressing plate (42) is arranged in the fingertip sleeve (41), the two positioning bolts (43) are respectively connected with the upper ends of the positioning pressing plate (42), and the two positioning bolts (43) are also in threaded connection with the upper ends of the fingertip sleeve (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310265858.XA CN116211490A (en) | 2023-03-17 | 2023-03-17 | Miniature external fixation frame of finger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310265858.XA CN116211490A (en) | 2023-03-17 | 2023-03-17 | Miniature external fixation frame of finger |
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| Publication Number | Publication Date |
|---|---|
| CN116211490A true CN116211490A (en) | 2023-06-06 |
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ID=86582397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310265858.XA Pending CN116211490A (en) | 2023-03-17 | 2023-03-17 | Miniature external fixation frame of finger |
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| Country | Link |
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| CN (1) | CN116211490A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117159305A (en) * | 2023-10-20 | 2023-12-05 | 中国人民解放军海军第九七一医院 | Constant temperature type instrument plate for finger replantation |
-
2023
- 2023-03-17 CN CN202310265858.XA patent/CN116211490A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117159305A (en) * | 2023-10-20 | 2023-12-05 | 中国人民解放军海军第九七一医院 | Constant temperature type instrument plate for finger replantation |
| CN117159305B (en) * | 2023-10-20 | 2024-02-27 | 中国人民解放军海军第九七一医院 | Constant temperature type instrument plate for finger replantation |
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Address after: 400000 Hougong constellation commercial complex building, No.79 Yuzhou Road, Jiulongpo District, Chongqing Applicant after: Chongqing Changcheng Orthopedic Hospital Co.,Ltd. Address before: 400000 Hougong constellation commercial complex building, No.79 Yuzhou Road, Jiulongpo District, Chongqing Applicant before: Chongqing Great Wall hospital Co.,Ltd. |