CN111012469A - Medical large bone cement filling device - Google Patents
Medical large bone cement filling device Download PDFInfo
- Publication number
- CN111012469A CN111012469A CN202010011770.1A CN202010011770A CN111012469A CN 111012469 A CN111012469 A CN 111012469A CN 202010011770 A CN202010011770 A CN 202010011770A CN 111012469 A CN111012469 A CN 111012469A
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- CN
- China
- Prior art keywords
- bone cement
- bobbin
- block
- fixedly connected
- side wall
- 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
Links
- 239000002639 bone cement Substances 0.000 title claims abstract description 32
- 238000007789 sealing Methods 0.000 claims abstract description 15
- 239000000945 filler Substances 0.000 claims description 14
- 239000007788 liquid Substances 0.000 claims description 12
- 239000002390 adhesive tape Substances 0.000 claims description 3
- 210000004369 blood Anatomy 0.000 abstract description 5
- 239000008280 blood Substances 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 210000001124 body fluid Anatomy 0.000 abstract description 3
- 239000010839 body fluid Substances 0.000 abstract description 3
- 238000011084 recovery Methods 0.000 abstract 1
- 238000007599 discharging Methods 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 238000001125 extrusion Methods 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 206010010214 Compression fracture Diseases 0.000 description 1
- 208000001132 Osteoporosis Diseases 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005429 filling process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000002324 minimally invasive surgery Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008733 trauma Effects 0.000 description 1
Images
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
- A61B17/88—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
- A61B17/8819—Equipment for handling bone cement or other fluid fillers for introducing fluid filler into bone or extracting it characterised by the introducer proximal part, e.g. cannula handle, or by parts which are inserted inside each other, e.g. stylet and cannula
-
- 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
- A61B17/88—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
- A61B17/8825—Equipment for handling bone cement or other fluid fillers for introducing fluid filler into bone or extracting it characterised by syringe details
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/64—Containers with integrated suction means
- A61M1/67—Containers incorporating a piston-type member to create suction, e.g. syringes
-
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2217/00—General characteristics of surgical instruments
- A61B2217/002—Auxiliary appliance
- A61B2217/005—Auxiliary appliance with suction drainage system
Landscapes
- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Molecular Biology (AREA)
- Neurology (AREA)
- Hematology (AREA)
- Anesthesiology (AREA)
- Vascular Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses a medical large bone cement filling device which comprises a bobbin, a sleeve, a first piston and a piston rod, wherein the sleeve is fixedly connected to the end part of the bobbin in a threaded manner, the end part of the sleeve is provided with a discharge hole, a mud discharge pipe is fixedly connected to the surface of the discharge hole in a threaded manner, the inner side of the end part of the bobbin is connected with a pressure relief device in a threaded manner, the pressure relief device comprises a fixed shell, a stop block is fixedly arranged on the surface of one side of the fixed shell, a plurality of through holes are formed in the surface of the stop block, and a telescopic sleeve. According to the invention, the sealing block is driven to restore the original position by the recovery deformation of the spring in the pressure relief device, and the sealing block is abutted against the surface of the annular convex block, so that excessive overflow of bone cement can be avoided, further the influence on the operation can be avoided, the pain of a patient can be reduced, and blood and body fluid can be sucked into the suction tube through the catheter by arranging the suction tube on the side wall of the barrel, so that the operation effect can be improved.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a medical large bone cement filler.
Background
Vertebral compression fracture is the most common complication of osteoporosis patients, and the traditional open surgery treatment has large trauma and many complications. Percutaneous Vertebroplasty (PVP) and Percutaneous Kyphoplasty (PKP) are novel minimally invasive surgical operations which are developed rapidly in spinal surgery in recent years, and the mechanical stability of a diseased vertebral body is enhanced by directly injecting fillers such as bone cement and artificial bone into a compressed vertebral body through percutaneous injection or injecting fillers such as balloon expansion and then injecting the fillers.
In a minimally invasive surgery, the filler is required to be used for pushing the bone cement, the volume of a common bone cement filler is small, and when the pushing force on the surface of the piston rod 4 is removed in the filling process, the bone cement can continuously overflow from the barrel 1, so that the operation is affected, and the pain of a patient can be caused.
Therefore, it is necessary to develop a medical large bone cement filler to solve the above problems.
Disclosure of Invention
The invention aims to provide a medical large bone cement filler to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a medical large bone cement filling device comprises a bobbin, a bobbin sleeve, a first piston and a piston rod, wherein the bobbin sleeve is fixedly connected to the end part of the bobbin in a threaded manner, the end part of the bobbin sleeve is provided with a discharge hole, the surface of the discharge hole is fixedly connected with a mud discharging pipe in a threaded manner, the inner side of the end part of the bobbin is fixedly connected with a pressure relief device in a threaded manner, the pressure relief device comprises a fixed shell, one side surface of the fixed shell is fixedly provided with a stop block, the surface of the stop block is provided with a plurality of through holes, the middle part of one side of the stop block is fixedly connected with a telescopic sleeve, a spring is arranged in the telescopic sleeve, the two ends of the spring are respectively and fixedly connected with the two ends of the telescopic sleeve, the side wall of the fixed shell is provided with an annular convex block, one side, the side wall of the barrel is provided with a liquid suction pipe, a second piston is arranged in the liquid suction pipe, a U-shaped rod is fixedly arranged on one side of the second piston, a sliding groove is formed in the side wall of the liquid suction pipe, a sliding block is arranged in the sliding groove in a sliding mode, and the other end of the U-shaped rod of the sliding block is fixedly connected with the side wall of the sliding block.
Preferably, the side wall of the barrel is fixedly provided with a buckle, the surface of the pipette is provided with an annular groove, and the annular groove is matched with the buckle.
Preferably, the end part of the pipette is fixedly connected with a catheter, and the catheter and the mud discharging pipe are mutually fixed through an adhesive tape.
Preferably, the bobbin end has a grip portion.
Preferably, the side wall of the bobbin is provided with an observation window, and the surface of the observation window is provided with a scale bar.
Preferably, a placing groove for placing a wrench is formed in the end surface of the fixing shell.
The invention has the technical effects and advantages that:
1. when the pressure relief device is arranged, the blended bone cement is poured into the bobbin, the first piston is plugged and pushed by the piston rod, the bone cement flows into the fixing shell through the through hole on the surface of the stop block and is fully filled under the pushing and extruding of the first piston, the sealing block is pushed to move to one side, a gap is formed between the sealing block and the annular convex block, the bone cement flows out of the gap and is output through the mud outlet pipe, when the piston rod is stopped to be pushed, the bone cement in the bobbin loses extrusion force, the spring recovers deformation to drive the sealing block to recover the original position, and the sealing block is abutted against the surface of the annular convex block, so that the excessive overflow of the bone cement can be avoided, the influence on the operation can be further avoided, and the pain of a patient can be reduced;
2. according to the invention, the pipette is arranged on the side wall of the barrel, when the blood and body fluid in the vertebral body are excessive, the piston rod stops being pushed, the slide block is pulled to the right side at the moment, the slide block drives the U-shaped rod to move, the U-shaped rod can drive the second piston to move to the right side through the movement, and negative pressure is formed in the pipette at the moment, so that the blood and body fluid can be sucked into the pipette through the catheter, and the operation effect is improved.
Drawings
FIG. 1 is an overall front view of the present invention.
FIG. 2 is a schematic side cross-sectional view of the present invention.
FIG. 3 is an enlarged view of portion A of FIG. 2 according to the present invention.
FIG. 4 is an enlarged view of portion B of FIG. 1 according to the present invention.
FIG. 5 is a view of a U-shaped bar of the present invention.
In the figure: 1 bobbin, 2 pipe sleeves, 3 first pistons, 4 piston rods, 5 mud discharging pipes, 6 pressure reducing devices, 601 fixed shells, 602 stoppers, 603 through holes, 604 telescopic sleeves, 605 springs, 606 annular convex blocks, 607 sealing blocks, 608 bearings, 609 threaded rods, 7 pipette, 8 second pistons, 9U-shaped rods, 10 chutes, 11 slide blocks, 12 buckles and 13 liquid guide pipes.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a medical large bone cement filler as shown in figures 1-5, which comprises a bobbin 1, a sleeve 2, a first piston 3 and a piston rod 4, wherein the sleeve 2 is fixedly connected with the end part of the bobbin 1 in a threaded manner, the end part of the sleeve 2 is provided with a discharge hole, the surface of the discharge hole is fixedly connected with a mud discharge pipe 5 in a threaded manner, the inner side of the end part of the bobbin 1 is connected with a pressure relief device 6 in a threaded manner, the pressure relief device 6 comprises a fixed shell 601, the surface of one side of the fixed shell 601 is fixedly provided with a stop block 602, the surface of the stop block 602 is provided with a plurality of through holes 603, the middle part of one side of the stop block 602 is fixedly connected with a telescopic sleeve 604, the inside of the telescopic sleeve 604 is provided with a spring 605, the two ends of the spring 605 are respectively and fixedly connected with the two ends, the utility model discloses a bone cement packer, including telescopic tube 604, sealing block 607, barrel 1, bearing, pipette 7, chute 10, the inside slider 11 that slides of chute 10, the other end of slider 11U type pole 9 and slider 11 lateral wall fixed connection have, telescopic tube 604 one end is fixed and is provided with bearing 608, sealing block 607 middle part threaded connection has threaded rod 609, and the elasticity size of spring 605 can be adjusted to rotatory threaded rod 609, and then can make the packer adapt to the bone cement of different viscosities, threaded rod 609 tip and bearing 608 middle part fixed connection, barrel 1 lateral wall is provided with pipette 7, pipette 7 is inside to have second piston 8, second piston 8 one side fixed and be provided with U type pole 9, the lateral wall.
Further, in the above technical solution, a buckle 12 is fixedly arranged on the side wall of the bobbin 1, an annular groove is formed on the surface of the pipette 7, and the annular groove is matched with the buckle 12;
further, in the above technical solution, a liquid guide pipe 13 is fixedly connected to an end of the liquid suction pipe 7, and the liquid guide pipe 13 and the mud discharging pipe 5 are fixed to each other through an adhesive tape;
further, in the above technical solution, the bobbin 1 has a grip portion at an end thereof;
further, in the above technical scheme, the side wall of the bobbin 1 is provided with an observation window, and the surface of the observation window is provided with scale bars, so that the extrusion amount can be conveniently and visually known;
further, in the above technical solution, a placing groove for placing a wrench is formed in the end surface of the fixing shell 601, so that the pressure relief device 6 can be taken out conveniently and cleaned.
The working principle of the invention is as follows:
referring to the attached drawings 1-5 of the specification, when the bone cement mixer is used, the prepared bone cement is poured into the barrel 1, the first piston 3 is plugged and pushed by the piston rod 4, the bone cement flows into the fixing shell 601 through the through hole 603 on the surface of the stop block 602 and is filled fully under the pushing and extruding of the first piston 3, then the sealing block 607 is pushed to move to one side, a gap is formed between the sealing block 607 and the annular convex block 606, the bone cement flows out of the gap and is output through the mud discharging pipe 5, when the piston rod 4 is stopped to be pushed, the bone cement in the barrel 1 loses the extruding force, the spring 605 recovers deformation to drive the sealing block 607 to recover the original position, and the sealing block 607 is abutted against the surface of the annular convex block 606, so that the excessive overflow of the bone cement can be avoided;
referring to the attached drawing 1 of the specification, the pipette 7 is arranged on the side wall of the barrel 1, when the blood in the vertebral body is too much, the piston rod 4 stops being pushed, the slide block 11 is pulled to the right side at the moment, the slide block 11 drives the U-shaped rod 9 to move, the U-shaped rod 9 can drive the second piston 8 to move to the right side, negative pressure is formed in the pipette 7 at the moment, and therefore the blood can be sucked into the pipette through the catheter 13, and the operation effect is improved.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. The utility model provides a medical large-scale bone cement tucker, includes bobbin (1), pipe box (2), first piston (3) and piston rod (4), and pipe box (2) threaded connection fixes at bobbin (1) tip, and pipe box (2) tip has the discharge opening, and discharge opening surface screw thread fixedly connected with goes out mud pipe (5), its characterized in that: the inner side of the end part of the bobbin (1) is in threaded connection with a pressure relief device (6), the pressure relief device (6) comprises a fixed shell (601), a stop block (602) is fixedly arranged on the surface of one side of the fixed shell (601), a plurality of through holes (603) are formed in the surface of the stop block (602), a telescopic sleeve (604) is fixedly connected to the middle part of one side of the stop block (602), a spring (605) is arranged inside the telescopic sleeve (604), two ends of the spring (605) are respectively and fixedly connected with two ends of the telescopic sleeve (604), the side wall of the fixed shell (601) is provided with an annular convex block (606), one side of the annular convex block (606) is provided with a sealing block (607), one end of the telescopic sleeve (604) is fixedly provided with a bearing (608), the middle part of the sealing block (607) is in threaded connection with a threaded rod (, the barrel (1) side wall is provided with a liquid suction pipe (7), a second piston (8) is arranged in the liquid suction pipe (7), a U-shaped rod (9) is fixedly arranged on one side of the second piston (8), a sliding groove (10) is formed in the side wall of the liquid suction pipe (7), a sliding block (11) is arranged in the sliding groove (10) in a sliding mode, and the other end of the U-shaped rod (9) of the sliding block (11) is fixedly connected with the side wall of the sliding block (11).
2. The medical large bone cement filler as claimed in claim 1, wherein: the side wall of the bobbin (1) is fixedly provided with a buckle (12), the surface of the pipette (7) is provided with an annular groove, and the annular groove is matched with the buckle (12).
3. The medical large bone cement filler as claimed in claim 1, wherein: the end part of the pipette (7) is fixedly connected with a liquid guide pipe (13), and the liquid guide pipe (13) and the mud outlet pipe (5) are mutually fixed through an adhesive tape.
4. The medical large bone cement filler as claimed in claim 1, wherein: the end part of the bobbin (1) is provided with a handle part.
5. The medical large bone cement filler as claimed in claim 1, wherein: the side wall of the bobbin (1) is provided with an observation window, and the surface of the observation window is provided with a scale strip.
6. The medical large bone cement filler as claimed in claim 1, wherein: the end surface of the fixed shell (601) is provided with a placing groove for placing a wrench.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010011770.1A CN111012469A (en) | 2020-01-07 | 2020-01-07 | Medical large bone cement filling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010011770.1A CN111012469A (en) | 2020-01-07 | 2020-01-07 | Medical large bone cement filling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111012469A true CN111012469A (en) | 2020-04-17 |
Family
ID=70202303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010011770.1A Pending CN111012469A (en) | 2020-01-07 | 2020-01-07 | Medical large bone cement filling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111012469A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112791243A (en) * | 2020-12-21 | 2021-05-14 | 辽宁科技学院 | Volatile medicine is from anti-overflow formula extractor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20130044015A (en) * | 2011-10-21 | 2013-05-02 | 박명진 | The bone cement injection kit system for a vertebro plasty |
| CN205073014U (en) * | 2015-09-26 | 2016-03-09 | 无锡市人民医院 | Minimally invasive surgery's bone cement infusion device |
| CN106560232A (en) * | 2015-10-02 | 2017-04-12 | 贺利氏医疗有限公司 | Device And Method For Storing And Mixing Bone Cement |
| CN109124752A (en) * | 2018-09-14 | 2019-01-04 | 创辉医疗器械江苏有限公司 | A kind of vertebral column minimally invasive Cement fixation device assembly |
| CN211723397U (en) * | 2020-01-07 | 2020-10-23 | 常州百隆微创医疗器械科技有限公司 | Medical large bone cement filling device |
-
2020
- 2020-01-07 CN CN202010011770.1A patent/CN111012469A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20130044015A (en) * | 2011-10-21 | 2013-05-02 | 박명진 | The bone cement injection kit system for a vertebro plasty |
| CN205073014U (en) * | 2015-09-26 | 2016-03-09 | 无锡市人民医院 | Minimally invasive surgery's bone cement infusion device |
| CN106560232A (en) * | 2015-10-02 | 2017-04-12 | 贺利氏医疗有限公司 | Device And Method For Storing And Mixing Bone Cement |
| CN109124752A (en) * | 2018-09-14 | 2019-01-04 | 创辉医疗器械江苏有限公司 | A kind of vertebral column minimally invasive Cement fixation device assembly |
| CN211723397U (en) * | 2020-01-07 | 2020-10-23 | 常州百隆微创医疗器械科技有限公司 | Medical large bone cement filling device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112791243A (en) * | 2020-12-21 | 2021-05-14 | 辽宁科技学院 | Volatile medicine is from anti-overflow formula extractor |
| CN112791243B (en) * | 2020-12-21 | 2024-04-02 | 辽宁科技学院 | Volatile medicine is from anti-overflow formula extractor |
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