CN105496535A - Medical miniature back shore device - Google Patents
Medical miniature back shore device Download PDFInfo
- Publication number
- CN105496535A CN105496535A CN201610003561.6A CN201610003561A CN105496535A CN 105496535 A CN105496535 A CN 105496535A CN 201610003561 A CN201610003561 A CN 201610003561A CN 105496535 A CN105496535 A CN 105496535A
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- CN
- China
- Prior art keywords
- implanting portion
- propelling movement
- push
- shape
- guide rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- 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
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
- A61B17/7061—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant for stabilising vertebrae or discs by improving the condition of their tissues, e.g. using implanted medication or fluid exchange
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- 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
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
- A61B17/7074—Tools specially adapted for spinal fixation operations other than for bone removal or filler handling
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- 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
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/8802—Equipment for handling bone cement or other fluid fillers
- A61B17/8805—Equipment for handling bone cement or other fluid fillers for introducing fluid filler into bone or extracting it
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00831—Material properties
- A61B2017/00867—Material properties shape memory effect
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B2017/564—Methods for bone or joint treatment
Abstract
The invention discloses a medical miniature back shore device, which comprises an implantation part, a channel sleeve and a push work component, wherein the implantation part is made of an NiTi shape memory alloy and comprises a V-shaped top plate and a V-shaped or crossed V-shaped super-elastic spring; two ends of the V-shaped or crossed V-shaped super-elastic spring are fixed on an upper top plate and a lower top plate respectively; an opening is formed in the tail part of the top plate; the push work component comprises a push guide rod; a push handle is arranged at the tail end of the push guide rod; a T-shaped connector is arranged at the front end of the push guide rod; the channel sleeve comprises a guide plate, a carrying handle and a constraint sleeve; the guide plate is hinged with one end of the carrying handle; and a slide chute is formed in the guide plate. The medical miniature back shore device is small in structure and simple to install and operate; back shore force generated after release is lastingly pressurized and acts against compressive force of a collapsed vertebral body; and physiological defects of the collapsed vertebral body are dynamically repaired, so that the tissue compensation of the affected part is eliminated; and the tolerance of a bone is improved.
Description
Technical field
The present invention relates to a kind of medical miniature supporting device, belong to technical field of medical instruments.
Background technology
It is a kind of common Osteoporotic vertebral fracture that spinal vertebral subsides, and this vertebral fracture mostly occurs in the old group of long campaigns blue-collar rural area and women is in the majority.This type of fracture initial stage generally only has local pain and slight rear convex deformity, without obvious neural complication, therefore do not cause enough attention, so that the long-term physical work of bending over and osteoporotic accumulation, impel vertebral body of subsiding to worsen further and compromise hypocentrum, cause many collapse of vertebra, convexly after making Thoracolumbar disk to increase the weight of, cause the persistence lumbago and backache, limitation of activity, anorexia and the cardio-pulmonary function that are difficult to alleviate weak, and with lower limb nerve dysfunction etc., badly influence the quality of life of patient and shorten life expectancy.Traditional Therapeutic Method is the body constitution of degree and patient of subsiding according to cone, determines expectant treatment or row surgery internal fixation.Generally rest for many employing beds of slightly subsiding, padded back, calcareous supplementary and functional exercise, to alleviate its disease and to reduce pain, makes vertebral fracture repaired of subsiding.But due to rural condition and environmental limit, be difficult to accomplish to rest, the state of an illness is often moved towards to worsen.Traditional surgical operation mainly for collapse of vertebra degree more serious and be accumulated to upper hypocentrum, the patient having influence on action and take care of oneself, fixed by the placement of anterior plate, spine portion is made to return to original physiological camber, but such operation strength is large, risk is high, costly, and the final abandoning cure of many rural patients.Along with development and the popularization and application of intervention apparatus, cone this difficult and complicated illness of subsiding has had good Therapeutic Method, and wounds is little, pain light, it is fast to recover, features such as risk is low and be subject to the consistent favorable comment of doctor and patient.As: Balloon Angioplasty, connecting rod lifting plasty, this type of forming technique is under local anesthesia, sacculus or mechanical linkage elevating mechanism are sent to collapse of vertebra portion (note: same vertebral body generally places two supporting devices through both sides pedicle of vertebral arch symmetry) by pedicle approach, then inject iohexol inj to inflation or rotation and lifting joystick by outside and impel the Intrapyramidal sacculus of implantation or mechanical supporting device lifting, the pyramidal support that makes to subside returns to original physiological structure shape, after extracting one-sided sacculus or miniature connecting rod top bracing mechanism out, inject bone cement until solidification, closed channel, symmetrical side operation successively, namely operation has accused.Often structure is more complicated for the equipment that Balloon Angioplasty, connecting rod lifting plasty use, and structure immobilizes, and belongs to a kind of orthotics of static state.
Summary of the invention
Technical problem to be solved by this invention is: overcome the deficiencies in the prior art, provides a kind of medical miniature supporting device, its compact structure, installs simple to operate, and dynamic reparation is subsided the physiological defect of vertebral body.
In order to solve the problems of the technologies described above, technical scheme of the present invention is: a kind of medical miniature supporting device, it comprises implanting portion, access sheath and propelling movement work package, implanting portion is made up of NiTi marmem, described implanting portion by V-shape arrange top board and Qi Nei clamped by V-shape or intersect V-shape arrange superelastic spring form, top board has upper plate and lower roof plate, the two ends of V-shape or intersection V-shape superelastic spring are separately fixed on upper plate and lower roof plate, the afterbody of top board has a gap, described propelling movement work package comprises propelling movement guide rod, push guide rod tail end and be provided with propelling movement hands handle, its front end is provided with for the T font union joint hinged with implanting portion afterbody gap, described access sheath is by guide plate, hold handle and confinement sleeve composition, guide plate is hinged on the one end holding handle, and guide plate is provided with chute, confinement sleeve is fixed on the other end holding handle, confinement sleeve has the tube chamber for accommodating implanting portion.
Further in order to locate the place that subsides better, described propelling movement work package also comprises the position probe for locating implantation position, and the head end of position probe is tip-like, and its tail end is provided with holds ring.
Further for the ease of pressure injection bone cement, described propelling movement work package also comprises bone cement tamping bar, and bone cement tamping bar comprises stem and holds ring, holds one end that ring is fixed on stem.
Further for the ease of location positioning better, the surface of access sheath, position probe and bone cement tamping bar is equipped with laser-marking graduation mark.
Further, described access sheath is made up of medical stainless steel.
After have employed technique scheme, implanting portion of the present invention is made up of NiTi marmem, there is shape memory function, in Low-temperature Ice normal saline, metallographic structure enters martensitic state, the constraint state of pole shape can be shaped as by external force, under the impact of ambient temperature, shape energy Quick-return is to original-shape, when implanting portion is in intermediateness, when namely shoring state, produce recovery of shape power thus reach the effect of support, the power of shoring that this phase transformation produces to vertebral body acting of subsiding, can make it lifting and returns to original physiological structure shape; Compact structure of the present invention, installs simple to operate, power of the shoring persistent pressure that produces after release, and confronts with each other with Vertebral Compression power of subsiding and do work, and dynamic restoring subsides the physiological defect of vertebral body, eliminates affected tissue compensatory, improves the toleration of bone.
Accompanying drawing explanation
Fig. 1 is the structural representation of the first embodiment of implanting portion of the present invention;
Fig. 2 is the structural representation of the second embodiment of implanting portion of the present invention;
Fig. 3 is the schematic diagram of the original form of implanting portion of the present invention;
Fig. 4 is the schematic diagram that implanting portion of the present invention is in restrained condition;
Fig. 5 is the schematic diagram that implanting portion of the present invention is in the state of shoring;
Fig. 6 is the structural representation of access sheath of the present invention;
Fig. 7 is the structural representation of propelling movement guide rod of the present invention;
Fig. 8 is the schematic diagram of position probe of the present invention;
Fig. 9 is the schematic diagram of bone cement tamping bar of the present invention;
In figure, 1, implanting portion, 1-1, top board, 1-2, superelastic spring, 1-3, gap, 2, access sheath, 2-1, confinement sleeve, 2-2, hold handle, 2-3, guide plate, 3, push guide rod, 3-1, push handle, 3-2, T font union joint, 4, position probe, 5, bone cement tamping bar.
Detailed description of the invention
In order to make content of the present invention more easily be clearly understood, below according to specific embodiment also by reference to the accompanying drawings, the present invention is further detailed explanation.
Embodiment one:
As Fig. 1, shown in 3 ~ 7, a kind of medical miniature supporting device, it comprises implanting portion 1, access sheath 2 and propelling movement work package, implanting portion 1 is made up of NiTi marmem, the superelastic spring 1-2 that in V-shape arrange of implanting portion 1 clamped by top board 1-1 and Qi Nei arranged in V-shape forms, also can be two V-shapes or multiple V-shape superelastic spring 1-2, top board 1-1 has upper plate and lower roof plate, the two ends of V-shape superelastic spring 1-2 are separately fixed on upper plate and lower roof plate, the afterbody of top board 1-1 has a gap 1-3, push work package and comprise propelling movement guide rod 3, the tail end pushing guide rod 3 is provided with and pushes handle 3-1, its front end is provided with for the T font union joint 3-2 hinged with implanting portion afterbody gap 1-3, access sheath 2 is by guide plate 2-3, hold handle 2-2 and confinement sleeve 2-1 to form, guide plate 2-3 is hinged on the one end holding handle 2-2, and guide plate 2-3 is provided with chute, confinement sleeve 2-1 is fixed on the other end holding handle 2-2, confinement sleeve 2-1 has the tube chamber for accommodating implanting portion 1.
Pushing the effect of guide rod 3 is rely on its distal tip T font union joint 3-2 to coordinate to be formed with implanting portion 1 afterbody gap 1-3 and link, so that fix and push implanting portion 1 to enter collapse of vertebra position, slide in the chute that handle is limited in guide plate 2-3 in propelling movement process, and can not rotate.
As shown in Figure 8, propelling movement work package also comprises the position probe 4 for locating implantation position, and the head end of position probe 4 is tip-like, and its tail end is provided with holds ring.
As shown in Figure 9, push work package and also comprise bone cement tamping bar 5, bone cement tamping bar 5 comprises stem and holds ring, holds one end that ring is fixed on stem.
The surface of access sheath 2, position probe 4 and bone cement tamping bar 5 is equipped with laser-marking graduation mark.
Access sheath 2 is made up of medical stainless steel.
Embodiment two:
As shown in Fig. 2 ~ 7, a kind of medical miniature supporting device, it comprises implanting portion 1, access sheath 2 and propelling movement work package, implanting portion 1 is made up of NiTi marmem, the superelastic spring 1-2 that in intersection V-shape arrange of implanting portion 1 clamped by top board 1-1 and Qi Nei arranged in V-shape forms, top board 1-1 has upper plate and lower roof plate, the two ends of intersection V-shape superelastic spring 1-2 are separately fixed on upper plate and lower roof plate, the afterbody of top board 1-1 has a gap 1-3, push work package and comprise propelling movement guide rod 3, the tail end pushing guide rod 3 is provided with and pushes handle 3-1, its front end is provided with for the T font union joint 3-2 hinged with implanting portion afterbody gap 1-3, access sheath 2 is by guide plate 2-3, hold handle 2-2 and confinement sleeve 2-1 to form, guide plate 2-3 is hinged on the one end holding handle 2-2, and guide plate 2-3 is provided with chute, confinement sleeve 2-1 is fixed on the other end holding handle 2-2, confinement sleeve 2-1 has the tube chamber for accommodating implanting portion 1.
As shown in Figure 8, propelling movement work package also comprises the position probe 4 for locating implantation position, and the head end of position probe 4 is tip-like, and its tail end is provided with holds ring.
As shown in Figure 9, push work package and also comprise bone cement tamping bar 5, bone cement tamping bar 5 comprises stem and holds ring, holds one end that ring is fixed on stem.
The present invention realizes its function and mainly contains following step: one is set up service aisle, and two is that equipped implanting portion 1 enters access sheath 2, and three is lay implanting portion 1 to arrive cone process section, four be release implanting portion 1, five be enhancing perfusion and pathway closure art.
One, service aisle is set up
According to position probe 4 in vertebral body cone nut location, and determine angle and carry out labelling, then drill bushing is guided to place, extract drill bit under after position probe 4, be drilled into collapse of vertebra portion, insert by position probe 4 portion of subsiding again and repair the degree of depth and circumference that expand the hole, portion that subsides, examination subsequently inserts access sheath 2 to verify the service aisle set up, and whether can ensure that implanting portion 1 arrives off-position.
Two, equipped implanting portion enters access sheath
Under aseptic ice normal saline condition, clamping implanting portion 1 with pliers makes it be constraint state, with propelling movement guide rod 3 through access sheath 2, propelling movement handle 3-1 is slided in the chute of guide plate 2-3, expose the T font union joint 3-2 pushing guide rod 3 head, again T font union joint 3-2 is inserted in the gap 1-3 of implanting portion 1 afterbody, by implanting portion 1 90-degree rotation, propelling movement guide rod 3 and implanting portion 1 are formed link, then propelling movement guide rod 3 is pulled to make the tube chamber of implanting portion 1 admission passage sleeve pipe 2 interior and concordant with the mouth of pipe, now, the holding handle 2-2 pushing handle 3-1 and access sheath 2 is 90 degree, to show to assemble state.
Three, lay implanting portion and arrive cone process section
To be inserted by the assembly assembled in the access opening set up and to bottom, its degree of depth is consistent with former insertion depth, adjustment angle makes the V-type expanding unit of implanting portion 1 and collapse of vertebra direction in the same direction.
Four, implanting portion is discharged
Holding with a firm grip, it is motionless to push the propelling movement handle 3-1 of guide rod 3, and the constraint that access sheath 2 to implanting portion 1 departs from access sheath 2 slowly extracted by the chute along guide plate 2-3, is in release conditions.Because of the restriction of guide plate 2-3, make propelling movement handle 3-1 and hold handle 2-2 and to be adjacent to and relative angle is motionless, about 2 minutes backward guide plate 2-3 that turn up out, fine motion pushes handle 3-1, sensation implanting portion 1 whether movable (operation can be observed under the guiding of C type X-ray machine by hospital with good conditionsi), whether expection is reached to determine that implanting portion 1 discharges, and then inwardly push guide rod 3 ~ 5 millimeters, handle 3-1 90-degree rotation will be pushed, make T font union joint 3-2 deviate from hinge joint state and and gap 1-3 be in a parallel surface after extract gently, discharge namely accused.
Five, enhancing perfusion and pathway closure art
After implanting portion 1 release produces a desired effect, clinical needs implants the broken bone of spongiosa or pours into in access sheath 2 with bone cement, with bone cement tamping bar 5 pressure injection bone cement to the gap strutting vertebral body, repeatedly pressure injection is to guarantee that filling bone cement fills whole vertebral body space; Finally extract access sheath 2, close drilled tunnel with bone cement.Implement at the symmetrical side cone nut of vertebral body of subsiding again according to said process, after terminating, sew up wound surface successively.
The size visual vertebral body position of implanting portion 1 is different from pedicle channel place width, can have different specifications to adapt to the use of each section of collapse of vertebra case; The diameter control of large I by silk material of power that what implanting portion 1 produced when shoring state shore, can adopt dual-gripper or cross support to meet the requirement of vertebral body to the power of shoring of subsiding.
Implanting portion 1 of the present invention is made up of NiTi marmem, there is shape memory function, in Low-temperature Ice normal saline, metallographic structure enters martensitic state, the constraint state of pole shape can be shaped as by external force, under the impact of ambient temperature, shape energy Quick-return is to original-shape, when implanting portion 1 is in intermediateness, when namely shoring state, produce recovery of shape power thus reach the effect of shoring, the power of shoring that this phase transformation produces to vertebral body acting of subsiding, can make it lifting and returns to original physiological structure shape; Compact structure of the present invention, installs simple to operate, power of the shoring persistent pressure that produces after release, and confronts with each other with Vertebral Compression power of subsiding and do work, and dynamic restoring subsides the physiological defect of vertebral body, eliminates affected tissue compensatory, improves the toleration of bone.
Above-described specific embodiment; technical problem, technical scheme and beneficial effect that the present invention solves are further described; be understood that; the foregoing is only specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (5)
1. a medical miniature supporting device, it is characterized in that: it comprises implanting portion (1), access sheath (2) and propelling movement work package, implanting portion (1) is made up of NiTi marmem, described implanting portion (1) is by the top board (1-1) arranged in V-shape and clamped in V-shape or intersect the superelastic spring (1-2) of V-shape setting and form in it, top board (1-1) has upper plate and lower roof plate, the two ends of V-shape or intersection V-shape superelastic spring (1-2) are separately fixed on upper plate and lower roof plate, the afterbody of top board has a gap (1-3), described propelling movement work package comprises propelling movement guide rod (3), push guide rod (3) tail end and be provided with propelling movement handle (3-1), its front end is provided with for the T font union joint (3-2) hinged with implanting portion afterbody gap (1-3), described access sheath (2) is by guide plate (2-3), hold handle (2-2) and confinement sleeve (2-1) composition, guide plate (2-3) is hinged on the one end holding handle (2-2), and guide plate (2-3) is provided with chute, confinement sleeve (2-1) is fixed on the other end holding handle (2-2), confinement sleeve (2-1) has the tube chamber for accommodating implanting portion (1).
2. medical miniature supporting device according to claim 1, it is characterized in that: described propelling movement work package also comprises the position probe (4) for locating implantation position, the head end of position probe (4) is tip-like, and its tail end is provided with holds ring.
3. medical miniature supporting device according to claim 2, is characterized in that: described propelling movement work package also comprises bone cement tamping bar (5), and bone cement tamping bar comprises stem and holds ring, holds one end that ring is fixed on stem.
4. medical miniature supporting device according to claim 3, is characterized in that: the surface of access sheath (2), position probe (4) and bone cement tamping bar (5) is equipped with laser-marking graduation mark.
5. the medical miniature supporting device according to any one of Claims 1-4, is characterized in that: described access sheath (2) is made up of medical stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610003561.6A CN105496535A (en) | 2016-01-04 | 2016-01-04 | Medical miniature back shore device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610003561.6A CN105496535A (en) | 2016-01-04 | 2016-01-04 | Medical miniature back shore device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105496535A true CN105496535A (en) | 2016-04-20 |
Family
ID=55705106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610003561.6A Pending CN105496535A (en) | 2016-01-04 | 2016-01-04 | Medical miniature back shore device |
Country Status (1)
| Country | Link |
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| CN (1) | CN105496535A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110251280A (en) * | 2019-07-01 | 2019-09-20 | 中南大学湘雅医院 | A kind of pulp cavity bone cement withdrawing device |
| CN114469303A (en) * | 2022-01-25 | 2022-05-13 | 河北医科大学第三医院 | Isthmus fissure implant, installation tool and use method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2652341Y (en) * | 2003-06-08 | 2004-11-03 | 茆树良 | Micro vertebral body opener and its transport device |
| US20070055265A1 (en) * | 2005-08-16 | 2007-03-08 | Laurent Schaller | Devices For Limiting the Movement Of Material Introduced Between Layers Of Spinal Tissue |
| CN100434046C (en) * | 2006-03-16 | 2008-11-19 | 刘小勇 | Nickel titanium temperature memory alloy centrum compression fracture orthopedic repositor and device |
| CN102462562A (en) * | 2010-10-28 | 2012-05-23 | 朴庆佑 | Intervertebral cage having flexibility |
| CN104306054A (en) * | 2014-09-30 | 2015-01-28 | 上海君联医疗设备有限公司 | Expandable vertebroplasty stent |
| CN205307075U (en) * | 2016-01-04 | 2016-06-15 | 张兰发 | Medical miniature device of shoring |
-
2016
- 2016-01-04 CN CN201610003561.6A patent/CN105496535A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2652341Y (en) * | 2003-06-08 | 2004-11-03 | 茆树良 | Micro vertebral body opener and its transport device |
| US20070055265A1 (en) * | 2005-08-16 | 2007-03-08 | Laurent Schaller | Devices For Limiting the Movement Of Material Introduced Between Layers Of Spinal Tissue |
| CN100434046C (en) * | 2006-03-16 | 2008-11-19 | 刘小勇 | Nickel titanium temperature memory alloy centrum compression fracture orthopedic repositor and device |
| CN102462562A (en) * | 2010-10-28 | 2012-05-23 | 朴庆佑 | Intervertebral cage having flexibility |
| CN104306054A (en) * | 2014-09-30 | 2015-01-28 | 上海君联医疗设备有限公司 | Expandable vertebroplasty stent |
| CN205307075U (en) * | 2016-01-04 | 2016-06-15 | 张兰发 | Medical miniature device of shoring |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110251280A (en) * | 2019-07-01 | 2019-09-20 | 中南大学湘雅医院 | A kind of pulp cavity bone cement withdrawing device |
| CN114469303A (en) * | 2022-01-25 | 2022-05-13 | 河北医科大学第三医院 | Isthmus fissure implant, installation tool and use method |
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Application publication date: 20160420 |
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