CN113952067A - Bone wall thickness measuring device for oral implantation - Google Patents
Bone wall thickness measuring device for oral implantation Download PDFInfo
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- CN113952067A CN113952067A CN202111284825.7A CN202111284825A CN113952067A CN 113952067 A CN113952067 A CN 113952067A CN 202111284825 A CN202111284825 A CN 202111284825A CN 113952067 A CN113952067 A CN 113952067A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C19/00—Dental auxiliary appliances
- A61C19/04—Measuring instruments specially adapted for dentistry
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
- A61C8/0089—Implanting tools or instruments
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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 discloses a bone wall thickness measuring device used in oral implantation, which comprises one or two clamping ends for clamping a measuring probe, wherein the clamping ends are connected with a pressing handle through a connecting rod, so that the rotating of the measuring probe can be controlled by pressing the pressing handle in use, the tip of the measuring probe is further moved to a position for measuring the thickness, the connecting rod is connected with a pointer, the connecting rod can be directly connected or connected through a transmission structure according to the rotating form of the connecting rod, and the wall thickness of the position where the tip of the measuring probe is located can be measured by feeding back the distance between the measuring probe on the connecting rod and a central drill point or between the two measuring probes through the pointer.
Description
Technical Field
The invention relates to the technical field of auxiliary instruments used in oral implantation, in particular to a bone wall thickness measuring device used in oral implantation.
Background
The osseointegration theory discovered half a century ago lays the foundation for repairing the missing tooth by the oral implantation technology. In recent years, dental implant technology has become a conventional technology for dental restoration, and is widely used in clinic.
Although the implant restoration technology is increasingly standardized and mature, the key to its successful implementation is the operation of the practitioner, which requires precise implantation of the implant into the alveolar bone. Particularly, with the progress of the implant restoration concept, the tooth implantation angle using the minimally invasive and restoration as the guide puts higher requirements on the implantation position of the implant. The ideal implant position is critical to the mechanical and aesthetic effects of the prosthesis and the long-term health maintenance of the implanted prosthesis.
Incorrect angulation and implantation position of the implant often leads to bone destruction and mechanical complications around the implant. In particular, improper placement of the implant in the front dental aesthetic area not only results in thinning of the labial bone, which in turn results in loss of the marginal bone and recession of the gums, which severely affects the aesthetic effect. Incorrect implant placement can also lead to complications such as loss of viability of adjacent teeth, damage to nerves and blood vessels.
The application of Cone Beam Ct (CBCT) in implant dentistry greatly improves treatment planning by viewing the alveolar bone structure of the implant area in three dimensions through cross section, coronal plane, sagittal plane, and determining the optimal implant size and angle to avoid damaging critical structures. Although CBCT can accurately plan the position of the implant relative to the jaw bone and future restorations. However, the ideal position of the implant planning obtained by observing CBCT before the operation still requires the clinician to integrate it into his own brain and then to perform it in the actual operation and to make real-time adjustments according to the actual intraoperative situation.
At present, although the precision of the CBCT is continuously increased, other navigation or guide plate devices help an operator to accurately implant the implant into the alveolar bone according to the ideal position planned before the operation; however, the alveolar bone condition in the actual implant is difficult to be completely consistent with the ideal preoperative plan. The position of the drill point is required to be adjusted in real time according to the actual condition in the implant operation, and then an ideal implant implantation front cavity is obtained in the alveolar bone.
Therefore, the technical problem to be solved at present is to provide a device for measuring the thickness of the alveolar bone wall in the step-by-step drilling and hole preparation process of the oral dental implant surgery, which can accurately measure the residual thickness of the alveolar bone wall at the lip (cheek) and tongue (palate) sides of a pocket hole after drilling down with a drill bit of each specification in the surgery process so as to adjust the position, angle and depth of drilling down in real time, thereby obtaining a safe and ideal position of the pocket hole, further obtaining an accurate and ideal position of an implant, and laying a solid foundation for the design of a subsequent implant upper prosthesis.
For the above reasons, the present inventors have conducted intensive studies on existing dental measuring equipment, and have awaited designing a measuring apparatus which can solve the above problems and has high measuring accuracy and convenient measuring operation.
Disclosure of Invention
In order to overcome the above problems, the present inventors have made intensive studies to design a bone wall thickness measuring device for use in oral implantation, the device including one or two grip ends holding a measuring probe, the grip ends and a pressing handle being connected through a link, so that the rotation of the measuring probe can be controlled by pressing the pressing handle in use to move the tip of the measuring probe to a position for measuring thickness, the link being connected to a pointer, and the link being directly connected or connected through a transmission structure according to the rotation form of the link, and the wall thickness of the position where the tip of the measuring probe is located can be measured by feeding back the distance between the measuring probe and a central drill needle or two measuring probes on the link through the pointer, thereby completing the present invention.
Specifically, the invention aims to provide a bone wall thickness measuring device for oral implantation, which comprises a central rod shaft 11, a central drill point 2 is arranged at one end of the central rod shaft 11,
the device comprises a connecting rod 32, a clamping end head 33 is arranged at one end of the connecting rod 32, a measuring probe 34 is clamped on the clamping end head 33,
the device also comprises a pointer and a dial 5,
wherein, the dial 5 is arranged at one end of the central rod shaft 11 far away from the central drill point 2;
the distance between the tip of the measuring probe 34 and the central drill point 2 or the distance between the tips of two measuring probes 34 is read by the pointing position of the pointer on the scale 5.
Wherein, a pressing handle 31 is detachably mounted on the connecting rod 32;
the gripping head 33 is removably mounted on the connecting rod 32,
preferably, the gripping tips 33 are mounted on the same side of the pressing handle 31 or on the opposite side of the pressing handle 31.
Wherein the clamping head 33 detachably clamps the measuring probe 34, and the size and the model of the measuring probe 34 are changed by detachably clamping.
Wherein, the central rod shaft 11 is hinged with the connecting rod 32 through a pin shaft 9,
the link 32 rotates about the pin 9, and during the rotation the distance between the tip of the measurement probe 34 and the central drill point 2 increases or decreases,
preferably, the pointer is fixedly mounted on the link 32, and as the link 32 rotates together, the pointer points to a corresponding area of the scale 5 as the link 32 rotates about the pin 9, thereby reading the distance between the tip of the measuring probe 34 and the central drill point 2 or the distance between the tips of the two measuring probes 34 from the scale.
Wherein the link 32 is rotatable about the central rod axis 11 driven by the pressing handle 31;
preferably, a fixed ring 35 is provided on the connecting rod 32, the ring 35 is fitted on the central rod shaft 11, and the connecting rod 32 is rotated around the central rod shaft 11 by the ring 35.
Wherein the pointer is arranged perpendicular to the length direction of the central rod shaft 11;
the scale marks on the dial 5 are arranged in parallel perpendicular to the length direction of the central rod shaft 11,
preferably, the scale 5 is capable of reciprocating along the length of the center rod shaft 11, and by reciprocating the scale 5, the pointer points to the 0-graduation-line position of the scale 5 when the tip of the measuring probe 34 abuts the center drill 2 or when the tips of the two measuring probes 34 abut.
Wherein, the pointer is connected with the connecting rod 32 through a transmission structure,
preferably, the transmission structure comprises a multi-stage gear and a rack 6, the rotary motion of the link 32 is converted into the reciprocating motion of the rack 6 by the multi-stage gear, and the pointer is mounted on the rack 6.
Wherein the multi-stage gears comprise a first bevel gear 71, a second bevel gear 72 and a straight gear 73,
wherein the bevel gear one 71 is arranged outside the ring sleeve 35 and rotates with the connecting rod 32 around the central rod shaft 11;
the first bevel gear 71 and the second bevel gear 73 are meshed with each other, and the included angle between the two shafts is 90 degrees;
the straight gear 73 and the bevel gear II 72 are coaxially arranged and are connected through a shaft rod;
said spur gear 73 is engaged with the toothed rack 6,
namely, the first bevel gear 71 is connected with the pointer through the second bevel gear 72, the straight gear 73 and the rack 6, thereby converting the rotary motion of the connecting rod 32 into the reciprocating motion of the pointer.
Wherein, the connecting rod 32 is provided with one or two,
when the number of the links 32 is two, the two links 32 are respectively located at two sides of the central rod shaft 11;
preferably, when the links 32 are provided in two, the pressing handle 31 and the grip head 33 of one of the links 32 are detachably attached.
Wherein the central drill point 2 is detachably mounted on the machine frame 1,
preferably, a graduation mark indicating the height is provided on the central drill point 2.
The invention has the advantages that:
(1) according to the bone wall thickness measuring device for the oral implantation provided by the invention, the central rod shaft in the device has enough length, the size distance in the oral cavity can be transmitted to the dial outside the oral cavity, and the wall thickness information can be conveniently read through the pointer and the dial;
(2) according to the bone wall thickness measuring device for oral implantation provided by the invention, the central drill point and the measuring probe in the device can be replaced along with the adjustment of the drill point, and the device is provided with the movable dial, so that the zero setting can be carried out after the central drill point and the measuring probe are replaced, when the central drill point and the measuring probe which are replaced are abutted, the pointer points to the 0 scale mark position of the dial, and when the measuring probe moves along with the pressing handle, the pointer correspondingly moves and points to the corresponding scale mark position of the dial;
(3) according to the bone wall thickness measuring device for the oral implantation provided by the invention, the residual thickness (relative to the thickness of the alveolar socket) of the buccal side or lingual side wall of the alveolar bone of the hole wall after the oral implantation drilling can be measured in real time;
(4) according to the bone wall thickness measuring device for the oral implantation provided by the invention, the lip (cheek)/tongue (palate) implantation angle of the implant is determined in an auxiliary manner by measuring the bone wall thickness on the lip (cheek)/tongue (palate) side, so that the angle of the implantation operation can be adjusted or improved in real time;
(5) according to the bone wall thickness measuring device for the oral implant provided by the invention, the lateral penetration can be prevented when the alveolar bone wall is weak and has an inverted concave area or needs to be implanted obliquely towards the labial (buccal) side and the lingual (palatal) side;
(6) according to the bone wall thickness measuring device for the oral implantation provided by the invention, the reliability of the implantation operation in the step-by-step hole preparation process can be effectively improved, and compared with image measuring technologies such as CBCT (cone beam computed tomography) before the operation, the physical measuring method adopting the device is a 'gold standard' for measuring the wall thickness of the alveolar bone after hole preparation;
(7) the bone wall thickness measuring device for the oral implant provided by the invention can be manufactured in a small and exquisite manner, and the measuring probe at the front end of the bone wall thickness measuring device can conveniently go deep into the oral cavity and is used for measuring the thickness of alveolar bones of almost all dental implant areas;
(8) according to the bone wall thickness measuring device for the oral implantation provided by the invention, the pointer is connected with the connecting rod through the transmission structure, so that the width size information inside the oral cavity is conducted and converted into the moving distance of the pointer through the transmission structure, and the reading is convenient to observe; in the conduction process, through selecting the transmission scheme, can also enlarge the displacement of pointer, come the cooperation with it through the scale mark interval of enlargiing the calibrated scale to make the reading more clear, be convenient for improve reading efficiency, can also reduce the reading error, improve the reading precision.
Drawings
Fig. 1 is a schematic view showing the overall structure of a bone wall thickness measuring apparatus for dental implantation according to embodiment 1 of the present invention;
fig. 2 is a schematic view showing a structure in which a combination of a grip tip and a measuring probe in a bone wall thickness measuring device for dental implantation according to embodiment 1 of the present invention is installed on the same side of a pressing handle;
fig. 3 is a schematic view showing a structure of a bone wall thickness measuring apparatus for dental implantation according to embodiment 1 of the present invention, in which a handle is omitted from pressing;
fig. 4 is a schematic view showing a structure of a bone wall thickness measuring device for dental implantation according to embodiment 1 of the present invention, in which a pressing handle is omitted and a combination of a grip tip and a measuring probe is installed at the other side;
fig. 5 is a schematic view showing the overall construction of a bone wall thickness measuring apparatus for use in oral implantation according to embodiment 2 of the present invention;
fig. 6 is a schematic view showing a structure in which a clamping tip is installed on the same side of a pressing handle in a bone wall thickness measuring device for dental implantation according to embodiment 2 of the present invention;
fig. 7 is a schematic structural view showing a transmission structure of a bone wall thickness measuring apparatus for use in oral implantation according to embodiment 2 of the present invention;
fig. 8 is a schematic structural view showing a top view of a transmission structure of a bone wall thickness measuring apparatus for use in oral implantation according to embodiment 2 of the present invention.
The reference numbers illustrate:
1-frame
11-center rod shaft
2-center drill point
31-pressing handle
32-connecting rod
33-clamping head
34-measuring probe
35-ring sleeve
5-dial
6-rack
71-bevel gear 1
72-bevel gear two
73-straight gear
8-holding handle
9-pin shaft
Detailed Description
The invention is explained in more detail below with reference to the figures and examples. The features and advantages of the present invention will become more apparent from the description.
The word "exemplary" is used exclusively herein to mean "serving as an example, embodiment, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments. While the various aspects of the embodiments are presented in drawings, the drawings are not necessarily drawn to scale unless specifically indicated.
According to the present invention, there is provided a bone wall thickness measuring apparatus for use in oral implantation, as shown in fig. 1, 3 or 5, the apparatus comprising:
a central rod shaft 11, a central drill point 2 is arranged at one end of the central rod shaft 11,
the device comprises a connecting rod 32, a clamping head 33 is arranged at one end of the connecting rod 32, a measuring probe 34 is clamped on the clamping head,
the device also comprises a pointer and a dial 5, wherein the dial 5 is arranged at one end of the central rod shaft 11 far away from the central drill point 2; thereby shifting the width dimension within the oral cavity to a position outside the oral cavity near the operating physician to facilitate reading of wall thickness data by the physician.
Wherein said pointer is connected to the clamping head 33, and the distance between the tip of the measuring probe 34 and the central drill 2 or the distance between the tips of the two measuring probes 34 is read by the pointing position of the pointer on the scale 5.
Preferably, a pressing handle 32 is detachably mounted on the link 32;
the gripping head 33 is removably mounted on the connecting rod 32,
the gripping tips 33 are mounted on the same side of the pressing handle 31 or on the opposite side of the pressing handle 31. By detachably mounting the clamping head 33, the setting position of the clamping head 33 can be adjusted, and when the clamping head 33 is positioned on the same side of the pressing handle 31, the clamping head is suitable for measuring the relative size of the bone wall of the mandibular alveolar bone; when the grip tip 33 is located on the opposite side of the pressing handle 31, it is adapted to measure the relevant dimension of the bone wall of the maxillary alveolar bone.
In a preferred embodiment, the clamping head 33 detachably clamps the measuring probe 34, and the size and dimension of the measuring probe 34 are adjusted by detachably clamping. The measuring device of this application includes the measuring probe of a plurality of not unidimensional models, and different measuring probe can carry out the wall thickness to different reaming stages and measure, so conveniently change through the detachably centre gripping to in selecting the most suitable measuring probe and measuring.
Preferably, the measuring probe comprises a round-head measuring probe and a pointed-head measuring probe, the round-head measuring probe is generally used for directly contacting the bone surface after the periosteum flap is opened in an implantation area, and the pointed-head measuring probe is generally used for contacting the bone surface after the probe tip penetrates through the gum in the flap-free implantation.
In a preferred embodiment, the clamping head can be integrated with the measuring probe, and the end of the clamping head is arranged to be small, so that the clamping head can be directly abutted against a bone wall for thickness measurement. In both embodiments of the present application, any design of the clamping head and the measurement probe may be selected as desired.
Preferred embodiment 1:
as shown in the figures, the figures and the drawing, the central rod shaft is hinged with the connecting rod 32 through a pin shaft 9,
the link 32 rotates about the pin 9, and during the rotation the distance between the tip of the measurement probe 34 and the central drill point 2 increases or decreases,
preferably, the pointer is fixedly mounted on the link 32, and as the link 32 rotates together, the pointer points to a corresponding area of the scale 5 as the link 32 rotates about the pin 9, thereby reading the distance between the tip of the measuring probe 34 and the central drill point 2 or the distance between the tips of the two measuring probes 34 from the scale.
In fig. 3 and 4, the pressing handle is omitted, and the operator can directly hold and press the connecting rod. The measuring device has the advantages of simple structure, low cost and easy operation.
More preferably, in the present preferred embodiment 1, the link 32 and the pointer may be integrally configured, that is, the link 32 near the dial may have a smaller diameter, and the pointer may be replaced with the smaller diameter portion.
In a preferred embodiment 1 of the present application, the measuring device is provided in a scissors-like manner as a whole, and the bone wall thickness measurement is performed by rotating the link in the horizontal direction.
Preferred embodiment 2:
as shown in fig. 5 and 6, the link 32 can be rotated about the center spindle shaft 11 by the pressing handle 31; i.e. said connecting rod 32 and the central rod axis 11 are arranged parallel to each other. Preferably, the frame 1 may be disposed outside the connecting rod 32 and the central rod shaft 11, so as to mount a connecting member between the connecting rod 32 and the central rod shaft 11, and further perform a protection function, so as to improve the service life of the whole measuring apparatus.
Preferably, a fixed ring 35 is provided on the connecting rod 32, the ring 35 is fitted on the central rod shaft 11, and the connecting rod 32 is rotated around the central rod shaft 11 by the ring 35.
Preferably, the pointer is arranged perpendicular to the length direction of the central rod shaft 11;
the scale marks on the dial 5 are arranged in parallel perpendicular to the length direction of the central rod shaft 11,
preferably, the dial 5 is reciprocally movable along the length of the center spindle shaft 11, and by moving the dial 5 reciprocally, the pointer points to the 0-mark position of the dial 5 when the tip of the measuring probe 34 abuts the center drill 2 or when the tips of the two measuring probes 34 abut, so that by moving the dial 5, zero-position adjustment, i.e. zero-setting, is achieved.
Preferably, the dial 5 is provided with a locking groove structure matched with the central rod shaft 11, the section of the locking groove structure is semicircular, the locking groove structure is arranged on the central rod shaft 11 in a knocking way, and a limiting groove for preventing rotation is arranged, so that the dial 5 can only reciprocate along the length direction of the central rod shaft 11. More preferably, a locking structure which can be easily opened is further provided, and the dial 5 can be locked and fixed when being moved to the proper position, namely, the zero setting position.
Preferably, the pointer is connected to the link 32 through a transmission structure including a multi-stage gear through which a rotational motion of the link 32 is converted into a reciprocating motion of the rack 6, and the pointer is mounted on the rack 6 to reciprocate along with the rack 6.
Preferably, as shown in fig. 7 and 8, the multi-stage gears include a bevel gear one 71, a bevel gear two 72 and a spur gear 73,
wherein the bevel gear one 71 is arranged outside the ring sleeve 35 and rotates with the connecting rod 32 around the central rod shaft 11;
the first bevel gear 71 and the second bevel gear 72 are meshed with each other, and the included angle between the two shafts is 90 degrees, so that the moving direction is changed;
the straight gear 73 and the bevel gear II 72 are coaxially arranged and are connected through a shaft rod; preferably, the straight gear 73 and the bevel gear II 72 are connected through a connecting shaft, so that the straight gear 73 and the bevel gear II rotate synchronously; more preferably, a main shaft speed increaser is arranged between the two, so that under the condition that the bevel gear II 72 rotates by a smaller angle, the straight gear 73 can rotate by a larger angle, and further the pointer moves by a larger distance, and correspondingly, the distance between the scale lines on the dial can be correspondingly increased, and the reading of the pointer is facilitated.
The straight gear 73 is meshed with the rack 6, namely the first bevel gear 71 is connected with the pointer through the second bevel gear 72, the straight gear 73 and the rack 6, so that the rotary motion of the connecting rod 32 is converted into the reciprocating motion of the pointer.
In the preferred embodiment 2, the multi-stage gears arranged in the transmission structure can play a displacement amplification function, that is, when the distance between the tip of the measuring probe 34 and the central drill 2 or the distance between the tips of the two measuring probes 34 is small, the corresponding pointer has a large distance from the 0 position of the dial, and the dial with a large scale clearance is matched, so that the wall thickness value can still be accurately read; the arrangement enables an operator to observe and acquire the wall thickness value more easily, quickly and accurately, improves the working efficiency, can reduce the system error of the measuring device, and further improves the reading accuracy.
In a preferred embodiment, a holding handle 8 is arranged below one end of the central rod shaft 11 adjacent to the dial 5, when in operation, the holding handle 8 is held at the center of a user hand, and a thumb and an index finger respectively press the pressing handles, so that the operation is simple and convenient, the whole measuring device is easy to keep stable, and the patient is prevented from being accidentally injured.
Preferably, one or two of the connecting rods 32 are provided, and when two of the connecting rods 32 are provided, the two connecting rods 32 are respectively positioned at two sides of the central rod shaft 11;
preferably, when the links 32 are provided in two, the pressing handle 31 and the grip head 33 in one of the links 32 are detachably mounted.
When the thickness of the alveolar bone on the buccal side or the lingual side is required to be measured, one set of the pressing handle 31 and the holding head 33 can be removed, and when the thickness of the alveolar bone on the buccal side or the lingual side is required to be measured simultaneously, the two connecting rods 32 and the pressing handle 31 and the holding head 33 thereon are installed simultaneously.
In a preferred embodiment, the central drill point 2 is detachably mounted on the machine frame 1,
preferably, a graduation mark indicating the height is provided on the central drill point 2.
The central drill point 2 described in this application may be a drill point used in drilling in an implant or a probe matching the length and diameter of the drill hole.
In the preferred embodiment 2 of this application, measuring device's connecting rod keeps the horizontal relation with between the central rod axle all the time in rotatory process, and the relative distance of the two also keeps unchangeable for whole steady in the measurement process, the reading is more clear stable, easily observes.
The present invention has been described above in connection with preferred embodiments, but these embodiments are merely exemplary and merely illustrative. On the basis of the above, the invention can be subjected to various substitutions and modifications, and the substitutions and the modifications are all within the protection scope of the invention.
Claims (10)
1. A bone wall thickness measuring device used in oral implantation is characterized in that the device comprises a central rod shaft (11), one end of the central rod shaft (11) is provided with a central drill point (2),
the device comprises a connecting rod (32), one end of the connecting rod (32) is provided with a clamping end head (33), a measuring probe (34) is clamped on the clamping end head (33),
the device also comprises a pointer and a dial (5),
the dial (5) is arranged at one end, far away from the central drill point (2), of the central rod shaft (11);
the distance between the tip of the measuring probe (34) and the central drill point (2) or the distance between the tips of the two measuring probes (34) is read by the pointing position of the pointer on the dial (5).
2. The bone wall thickness measuring device for dental implantation according to claim 1,
a pressing handle (31) is detachably mounted on the connecting rod (32);
the clamping head (33) is detachably mounted on the connecting rod (32),
preferably, the clamping tips (33) are mounted on the same side of the pressing handle (31) or on the opposite side of the pressing handle (31).
3. The bone wall thickness measuring device for dental implantation according to claim 1,
the clamping head (33) is used for detachably clamping the measuring probe (34), and the type and the size of the measuring probe (34) are replaced through detachable clamping.
4. The bone wall thickness measuring device for dental implantation according to any one of claims 1 to 3,
the central rod shaft (11) is hinged with the connecting rod (32) through a pin shaft (9),
the connecting rod (32) rotates around the pin (9) and increases or decreases the distance between the tip of the measuring probe (34) and the central drill point (2) during the rotation,
preferably, the pointer is fixedly mounted on the link (32), and as the link (32) rotates together, the pointer points to a corresponding area of the scale (5) when the link (32) rotates around the pin (9), so that the distance between the tip of the measuring probe (34) and the central drill (2) or the distance between the tips of the two measuring probes (34) is read from the scale.
5. The bone wall thickness measuring device for dental implantation according to any one of claims 1 to 3,
the connecting rod (32) can rotate around the central rod shaft (11) under the driving of the pressing handle (31);
preferably, a ring sleeve (35) is fixedly connected with the connecting rod (32), the ring sleeve (35) is sleeved on the central rod shaft (11), and the connecting rod (32) rotates around the central rod shaft (11) through the ring sleeve (35).
6. The bone wall thickness measuring device for dental implantation according to claim 5,
the pointer is arranged perpendicular to the length direction of the central rod shaft (11);
the scale marks on the dial (5) are arranged in parallel perpendicular to the length direction of the central rod shaft (11),
preferably, the dial (5) can move back and forth along the length direction of the central rod shaft (11), and the pointer points to the 0 scale mark position of the dial (5) when the tip of the measuring probe (34) is abutted with the central drill point (2) or when the tips of the two measuring probes (34) are abutted by moving the dial (5) back and forth.
7. The bone wall thickness measuring device for dental implantation according to claim 6,
the pointer is connected with a connecting rod (32) through a transmission structure,
preferably, the transmission structure comprises a multi-stage gear and a rack (6), the rotary motion of the connecting rod (32) is converted into the reciprocating motion of the rack (6) through the multi-stage gear, and the pointer is installed on the rack (6).
8. The bone wall thickness measuring device for dental implantation according to claim 7,
the multi-stage gear comprises a first bevel gear (71), a second bevel gear (72) and a straight gear (73),
wherein the bevel gear I (71) is arranged outside the ring sleeve (35) and rotates around the central rod shaft (11) along with the connecting rod (32);
the bevel gear I (71) and the bevel gear II (72) are meshed with each other, and the included angle between the two shafts is 90 degrees;
the straight gear (73) and the bevel gear II (72) are coaxially arranged and are connected through a shaft rod;
the straight gear (73) is meshed with the rack (6),
namely, the bevel gear I (71) is connected with the pointer through a bevel gear II (72), a straight gear (73) and a rack (6), so that the rotary motion of the connecting rod (32) is converted into the reciprocating motion of the pointer.
9. The bone wall thickness measuring device for dental implantation according to claim 1,
one or two connecting rods (32) are arranged,
when the number of the connecting rods (32) is two, the two connecting rods (32) are respectively positioned at two sides of the central rod shaft (11);
preferably, when the links (32) are provided in two, the pressing handle (31) and the grip head (33) of one of the links (32) are detachably attached.
10. The bone wall thickness measuring device for dental implantation according to claim 1,
the central drill point (2) is detachably arranged on the frame (1),
preferably, a graduation mark for indicating the height is provided on the central drill point (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111284825.7A CN113952067B (en) | 2021-11-01 | 2021-11-01 | Bone wall thickness measuring device for oral implantation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111284825.7A CN113952067B (en) | 2021-11-01 | 2021-11-01 | Bone wall thickness measuring device for oral implantation |
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| CN113952067A true CN113952067A (en) | 2022-01-21 |
| CN113952067B CN113952067B (en) | 2023-08-15 |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN105287031A (en) * | 2015-11-12 | 2016-02-03 | 冯毅 | Measuring guide plate for implantation |
| CN107518955A (en) * | 2017-09-05 | 2017-12-29 | 广州医科大学附属口腔医院（广州医科大学羊城医院） | A kind of positioning device for tooth planting and its application with alveolar ridge bone topography measurement function |
| CN207575156U (en) * | 2017-05-18 | 2018-07-06 | 徐昊田 | A kind of craniometer |
| CN111568577A (en) * | 2020-04-13 | 2020-08-25 | 周丽斌 | Tooth implantation measurement guiding forceps |
| CN213941038U (en) * | 2020-11-19 | 2021-08-13 | 李培 | Thickness measuring caliper for bone wall of dental implant cavity |
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2021
- 2021-11-01 CN CN202111284825.7A patent/CN113952067B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0616506A1 (en) * | 1991-08-02 | 1994-09-28 | John A Lollar | Skinfold caliper for body fat measurement. |
| CN2219111Y (en) * | 1995-01-19 | 1996-02-07 | 中国人民解放军第514医院 | Thickness measuring ruler for jaw bone |
| JP2007209739A (en) * | 2006-01-12 | 2007-08-23 | Hiroshi Matsumoto | Guide device for jawbone drilling |
| CN105287031A (en) * | 2015-11-12 | 2016-02-03 | 冯毅 | Measuring guide plate for implantation |
| CN207575156U (en) * | 2017-05-18 | 2018-07-06 | 徐昊田 | A kind of craniometer |
| CN107518955A (en) * | 2017-09-05 | 2017-12-29 | 广州医科大学附属口腔医院（广州医科大学羊城医院） | A kind of positioning device for tooth planting and its application with alveolar ridge bone topography measurement function |
| CN111568577A (en) * | 2020-04-13 | 2020-08-25 | 周丽斌 | Tooth implantation measurement guiding forceps |
| CN213941038U (en) * | 2020-11-19 | 2021-08-13 | 李培 | Thickness measuring caliper for bone wall of dental implant cavity |
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| CN113952067B (en) | 2023-08-15 |
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