CN105012005B - Bone cement injection device - Google Patents
Bone cement injection device Download PDFInfo
- Publication number
- CN105012005B CN105012005B CN201510427818.6A CN201510427818A CN105012005B CN 105012005 B CN105012005 B CN 105012005B CN 201510427818 A CN201510427818 A CN 201510427818A CN 105012005 B CN105012005 B CN 105012005B
- Authority
- CN
- China
- Prior art keywords
- injection
- layer
- injection orifice
- inner tube
- outer tube
- 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.)
- Active
Links
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
-
- 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
- A61B17/8811—Equipment for handling bone cement or other fluid fillers for introducing fluid filler into bone or extracting it characterised by the introducer tip, i.e. the part inserted into or onto the bone
-
- 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
- A61B17/88—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
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Surgery (AREA)
- Biomedical Technology (AREA)
- Engineering & Computer Science (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
Abstract
The present invention relates to a kind of bone cement injection device and method, including：Provided with suit passage in outer tube, outer tube, the side wall of outer tube is provided with least two the first injection orifices connected with suit passage, and at least two first injection orifices are at least two layers arranged along the axis direction of outer tube；Injection canal is provided with inner tube, inner tube, the side wall of inner tube is provided with least two the second injection orifices connected with injection canal, and at least two second injection orifices are at least two layers arranged along the axis direction of inner tube；Inner tube is in suit passage, outer tube and inner tube are rotatably assorted, every layer of first injection orifice and one layer of second injection orifice corresponding matching, when inner tube turns to special angle, the second injection orifice connection of the corresponding layer of at least one layer of first injection orifice, the second injection orifice of the corresponding layer of the injection orifice of remainder layer first staggers.The injection phase of convenient regulation bone cement, realizes the orientation injection of bone cement.
Description
Technical field
The invention belongs to medical instruments field, and in particular to a kind of bone cement injection device.
Background technology
, it is necessary to irrigate bone cement into centrum in vertebroplasty, the doctor in sutura and space is filled by bone cement streamer
Treatment technology, can play a part of firm centrum, alleviate or eliminate pain.At present, injection bone cement is typically using the center of carrying
The conduit of through hole injects bone cement in cone.But, in this way, in bone cement filling process can not orientation input,
Easily cause bone cement seepage.And the seepage of bone cement is to cause the direct original of the severe complications such as spinal compression, nerve loss
Cause, so as to add difficulty and operation risk to operation, burden is brought to doctor and patient.
The content of the invention
Based on this, the invention reside in the defect for overcoming prior art there is provided a kind of bone cement injection device, bone is conveniently adjusted
The injection phase of cement, realizes the orientation injection of bone cement.
Its technical scheme is as follows：
A kind of bone cement injection device, including：Provided with suit passage in outer tube, outer tube, the side wall of outer tube is provided with least
Two are to be arranged at least along the axis direction of outer tube with the first injection orifice for connect of suit passage, at least two first injection orifices
Two layers；Injection canal is provided with inner tube, inner tube, the side wall of inner tube is provided with least two the second injections connected with injection canal
Hole, at least two second injection orifices are at least two layers arranged along the axis direction of inner tube；Inner tube is in suit passage, outer tube
It is rotatably assorted with inner tube, every layer of first injection orifice and one layer of second injection orifice corresponding matching, when inner tube turns to special angle,
The second injection orifice connection of the corresponding layer of at least one layer of first injection orifice, the second of the corresponding layer of the injection orifice of remainder layer first
Injection orifice staggers.
A kind of bone cement injecting method：In outer tube set suit passage, on the side wall of outer tube set at least two with
The first injection orifice of passage connection is set with, at least two first injection orifices are at least two layers arranged along the axis direction of outer tube；
Injection canal is set in inner tube, at least two the second injection orifices connected with injection canal are set on the side wall of inner tube, extremely
Few two the second injection orifices are at least two layers arranged along the axis direction of inner tube；By inner tube located at suit passage in, outer tube and
Inner tube is rotatably assorted, every layer of first injection orifice and one layer of second injection orifice corresponding matching, when needs pass through wherein a certain layer first
When injection orifice injects bone cement, inner tube is set to be rotated relative to outer tube to special angle, the of the injection orifice of this layer first and respective layer
Two injection orifices are connected, and bone cement can be injected to human body from injection canal by the injection orifice of layer first；Now, remainder layer first
Second injection orifice of the corresponding layer of injection orifice staggers.
In one of the embodiments, the outer tube and the pivot center of said inner tube are first axle, first note
Perforation mutually staggers upwards with least one of each layer injection orifice of second injection orifice in the circumference of first axle.
In one of the embodiments, first injection orifice is to line up three of three layers, three first injection orifices
A row are arranged as along the axis direction of the outer tube, and second injection orifice is to line up three of three layers, three second notes
Perforation mutually staggers in the circumference of said inner tube.
In one of the embodiments, when said inner tube turns to first angle, the first injection orifice described in first layer with
Second injection orifice described in first layer is connected, and the first injection orifice described in remainder layer staggers with the second injection orifice described in the second layer；Work as institute
When stating inner tube and turning to second angle, the first injection orifice described in the second layer is connected with the injection orifice of the second layer second, remainder layer
First injection orifice staggers with the second injection orifice described in the second layer；When said inner tube turns to third angle, third layer institute
State the first injection orifice to connect with the injection orifice of third layer second, the first injection orifice described in remainder layer and the second note described in the second layer
Perforation staggers.
In one of the embodiments, the second end of the outer tube is provided with first-hand shank, and the second end of said inner tube is set
There is the chute for the axis that the outer tube is provided around in second handle portion, the first-hand shank, the chute is annular or portion
Divide annular, the second handle portion is provided with upper arm, and the end of the upper arm is slidedly arranged in the chute, the end of the upper arm
Reversely bend and mutually buckle with the edge of the chute.
In one of the embodiments, it is additionally provided with stopper slot, the second handle portion and also sets in the first-hand shank
Limited location is convex, and the limit convex is in the stopper slot.
In one of the embodiments, the outlet of the suit passage is located at the first end of the outer tube, and the injection is led to
The outlet in road is positioned at the first end of said inner tube, and the outlet of the suit passage is noted with the export mixes end of the injection canal
Penetrate passage；The first end of the outer tube is provided with the first catch, the outlet of suit passage, institute described in the first catch shield portions
The first end for stating inner tube is provided with the second catch, the outlet of injection canal described in the second catch shield portions：Work as said inner tube
When turning to fourth angle, first catch and second catch are least partially overlapped, and the end injection canal is at least
It is partially ON；When said inner tube turns to five angles, first catch closes the end jointly with second catch
Hold injection canal.
In one of the embodiments, also include and puncture channel, the profile of the outer tube are provided with puncture tube, puncture tube
Match with the inner wall shape of the puncture channel, the side wall of the puncture tube is provided with the 3rd injection connected with puncture channel
Hole, the 3rd injection orifice be along puncture tube axis direction set at least two layers, every layer of the 3rd injection orifice respectively with one layer of institute
State the first injection orifice correspondence and connect.
In one of the embodiments, the first end of the puncture tube is provided with the 3rd handle portion, the 3rd handle portion
Provided with mounting groove, the mounting groove is annular or part-toroidal, and the second end of the outer tube is provided with first-hand shank, described first
Handle portion is provided with installing arm, and the end of the installing arm is embedded in the mounting groove, the end of the installing arm with it is described
The edge of mounting groove reversely bends and mutually buckled.
The beneficial effects of the present invention are：
The 1st, at least two layers first injection orifices are set on the side wall of outer tube, is set on the side wall of inner tube at least two layers second
Injection orifice, each injection orifice of layer first is corresponding with one layer of second injection orifice；When injecting bone cement, inner tube is set to be revolved relative to outer tube
Turn, connect second injection orifice of one layer of first corresponding layer of injection orifice of wherein at least, can be injected by the first of connection
Hole, the second injection orifice are to people's internal injection bone cement, and now, the first note of the corresponding layer of the second injection orifice of remainder layer
Perforation is staggered, and bone cement can not pass through, and is only injected every time by the first injection orifice of wherein certain layer, the second injection orifice
Bone cement, realizes the locating injection of bone cement, by rotating inner tube, can also adjust a certain injection orifice of layer first corresponding
Second injection orifice is connected, and then changes the injection position of bone cement, it is to avoid local pressure mistake caused by bone cement excess accumulation
Greatly, prevent bone cement from occurring side leakage, reduce operation risk.
2nd, the outer tube and the pivot center of said inner tube are first axle, first injection orifice and the described second injection
At least one of each layer injection orifice in hole mutually staggers upwards in the circumference of first axle, due to setting of staggering so that when one
During corresponding the first injection orifice connection of the second injection orifice of layer, remainder layer to staggering.
3rd, when inner tube turns to first angle, the injection orifice of first layer first is connected with the injection orifice of first layer second, injection
Bone cement in passage is injected into human body by the injection orifice of first layer first, the injection orifice of first layer second, now, and the of remainder layer
One injection orifice staggers with the injection orifice of the second layer second, and the injection orifice of the second layer second is blocked by the wall of outer tube, and bone cement can not lead to
Cross；When inner tube turns to second angle, only the injection orifice of the second layer first is connected with the injection orifice of the second layer second, when inner tube turns
When moving to third angle, only the injection orifice of third layer first is connected with the injection orifice of the second layer second.By rotating inner tube, Ke Yixuan
Selecting makes a certain injection orifice of layer first and the second injection orifice be interconnected, you can to select in the position of a certain layer to people's internal injection
The position of bone cement, realizes the orientation input of bone cement, also, the relative position by the first injection orifice on outer tube, can be with
The injection direction of bone cement is accurately controlled, human body is effectively protected.
4th, the second end of outer tube is provided with first-hand shank, and the second end of inner tube is provided with second handle portion, first-hand shank with
Second handle portion can be used for the grip of human hand, convenient operation；Being coordinated by annular or part-toroidal chute with upper arm makes outer tube
It is rotatably assorted with inner tube more smooth.
5th, first-hand shank is additionally provided with stopper slot, and second handle portion is additionally provided with limit convex, and limit convex is in stopper slot；Limit
Rotational angle of the inner tube processed relative to outer tube, it is to avoid accident occur, reduces medical-risk.Also, when outer tube sleeve is loaded on outside inner tube
Afterwards, because outer tube and inner tube are to be rotatably assorted, the relative position of the first injection orifice and the second injection orifice is random, is being provided with
Limit convex is with that after stopper slot, due to the restriction effect of limit convex and stopper slot, can make the first injection orifice and the second injection orifice
In the angular range being engaged, now operation, which rotates inner tube, can just be conveniently adjusted the first injection orifice and the second injection orifice
Connect or stagger.
6th, the export mixes end injection canal of the outlet of suit passage and injection canal, except can be from the side of outer tube
Inject outside bone cement, bone cement can also be injected from the end of outer tube；By controlling the registration of the first catch and the second catch,
The degree of opening of end injection canal is controlled, and then controls the bone cement injection volume of end injection canal.
7th, bone cement injection device also includes puncture tube, it is necessary to using could carry out bone cement note after lancet puncture centrum
Penetrate, puncture channel is used for through puncture needle, puncture needle is extracted after the completion of puncture, now puncture tube is stayed in human body, by outer tube and
Inner tube is installed in puncture channel, is made the connection corresponding with the second injection orifice respectively of the 3rd injection orifice, is allow bone cement from the 3rd
Injection orifice is injected to human body.
8th, bone cement injection could be carried out by needing to use after lancet puncture centrum, puncture needle is arranged in progress in puncture tube
Puncture needle is extracted after the completion of puncture procedure, puncture, puncture tube is stayed in as operation path in human body, outer tube can be installed on and wear
Bone cement injection is carried out in thorn pipe, now puncture tube is no longer moved relative to human body, protect tissue, reduce sufferer pain.
9th, the end of installing arm and the edge of mounting groove are reversely bent and mutually buckled, and installing arm is logical to be mounted at
In mounting groove, the convenient used interchangeably by puncture needle, outer tube, convenient operation can also set convex or fixed in mounting groove
Position is recessed, and outer tube is fixed relative to the position of puncture tube.
Brief description of the drawings
Fig. 1 is puncture tube, outer tube, the structure chart of inner tube disassembled form in the embodiment of the present invention；
Fig. 2 is puncture tube, outer tube, the structure chart of inner tube assembled state in the embodiment of the present invention；
Fig. 3 is the structure chart of middle external tube of the embodiment of the present invention；
Fig. 4 is the structure chart of first-hand shank in the embodiment of the present invention；
Fig. 5 is the structure chart of inner tube in inventive embodiments；
Fig. 6 is the structure chart of second handle portion in inventive embodiments；
Fig. 7 is the structure chart at another visual angle of second handle portion in inventive embodiments；
Fig. 8 is the structure chart of puncture tube in the embodiment of the present invention；
Fig. 9 is puncture tube, the structure chart of puncture needle disassembled form in the embodiment of the present invention；
Figure 10 is puncture tube, the structure chart of puncture needle assembled state in the embodiment of the present invention.
Description of reference numerals：
100th, outer tube, the 110, first injection orifice, 120, first-hand shank, 121, installing arm, 122, chute, 123, spacing
Groove, 124, gear it is recessed, the 130, first catch, 200, inner tube, the 210, second injection orifice, 220, second handle portion, 221, upper arm,
222nd, limit convex, 223, gear it is convex, the 230, second catch, 300, puncture tube, the 310, the 3rd injection orifice, the 320, the 3rd handle portion,
321st, mounting groove, 400, puncture needle.
Embodiment
The present invention is described in further detail below, but the implementation of the present invention is not limited to this.
As shown in Fig. 1 to 2, bone cement injection device, including：Outer tube 100, inner tube 200, puncture tube 300, puncture needle 400.
Provided with suit passage in outer tube 100, outer tube 100 is set in outside inner tube 200 by being set with passage, and outer tube 100 and inner tube 200 are rotated
Coordinate.Puncture tube 300 is provided with puncture channel, and puncture tube 300 is sheathed on outside outer tube 100 by puncture channel.
As shown in Figure 3,4, the side wall of outer tube 100 is provided with three the first injection orifices 110 connected with suit passage, three
First injection orifice 110 is that (the first injection orifice 110 is not limited to three, but should along arranged in a straight line three layers of the axis direction of outer tube 100
More than or equal to two；Can also be that every layer of first injection orifice is set to multiple).Second end of outer tube 100 is provided with first handle
Portion 120, first-hand shank 120 is provided around the chute 122 of first axle, and chute 122 is annular or part-toroidal.It is set with passage
Outlet positioned at the first end of outer tube 100, the first end of outer tube 100 is provided with semicircular first catch 130, the first catch 130
Block the half of the outlet of suit passage (the outlet only one of which semicircle for being set with passage is conducting).First injection orifice
110 concentrate on wherein one half side wall of outer tube 100, and first-hand shank 120 is provided with arrow, for indicating to be provided with the first note
The side of perforation 110, facilitates operating personnel to recognize.
As shown in Figure 5,6, injection canal is provided with inner tube 200, the side wall of inner tube 200 connects provided with three with injection canal
The second logical injection orifice 210, three the second injection orifices 210 are three layers arranged along the axis direction of inner tube 200；First layer second
Injection orifice 210, the second injection orifice of the second layer 210, the second injection orifice of third layer 210 are staggered in the circumference of inner tube 200；Second
Injection orifice 210 is corresponding with number, the number of plies of the first injection orifice 110, and (not limited to this can also not corresponded to, same layer in number
Multiple first injection orifices correspondence one the second injection orifice, or same layer multiple second injection orifices correspondence one first injection
Hole, as long as in inner tube slewing area, first injection orifice can be connected by some the second injection orifice with injection canal, just
Requirement can be met).Second end of inner tube 200 is provided with second handle portion 220, and second handle portion 220 is disc, second handle
Portion 220 towards the first handle one side provided with a pair of upper arms 221, another side provided with rotational angle mark, have respectively 0 °,
60 °, 120 ° and 180 ° four marks.The outlet of injection canal is located at the first end of inner tube 200, and the first end of inner tube 200 is provided with
Semicircular second catch 230, the half that the second catch 230 blocks the outlet of injection canal (i.e. only has the outlet of injection canal
One semicircle is conducting).Second injection orifice 210 is concentrated on wherein one half side wall of inner tube 200, second handle portion
220 are provided with arrow, for indicating the side provided with the second injection orifice 210, facilitate operating personnel to recognize.
First-hand shank 120 can be used for the grip of human hand, convenient operation with second handle portion 220；Pass through annular or portion
Annular groove 122 is divided outer tube 100 is rotatably assorted with inner tube 200 with upper arm 221, the end of upper arm 221 is slidedly arranged on chute 122
Interior, the end of upper arm 221 reversely bends with the edge of chute 122 and mutually buckled.Chute 122 is provided with two relative openings,
Embedded for upper arm 221 is installed.This structure facilitates the rotation between outer tube 100 and inner tube 200, makes operation more smooth, button
The mode of extension makes the two connection be difficult to drop.
First-hand shank 120 is additionally provided with stopper slot 123, and stopper slot 123 is 180 ° of semicircular ring, and second handle portion 220 is also
Provided with limit convex 222, during assembling, limit convex 222 can limit inner tube 200 relative to outer tube 100 in stopper slot 123
Rotational angle, in operation easily positioning, is also possible to prevent to occur surprisingly.Also, the first injection orifice 110, which is concentrated, is located at outer tube
On 100 wherein one half side wall, the second injection orifice 210 is concentrated on wherein one half side wall of inner tube 200, when 100 sets of outer tube
Loaded on inner tube 200 it is outer after, because outer tube 100 with inner tube 200 is to be rotatably assorted, the first injection orifice 110 and the second injection orifice 210
Relative position is random, after limit convex 222 and stopper slot 123 is provided with, due to limit convex 222 and stopper slot 123
Position-limiting action, can be such that the first injection orifice 110 is in the second injection orifice 210 in the angular range being engaged, and now operation turns
Dynamic inner tube can just be conveniently adjusted the first injection orifice and connect or stagger with the second injection orifice.
Between chute 122 and stopper slot 123, six gears recessed 124 arranged in circumferencial direction, six gears are additionally provided with
Recessed 124 points be three groups, every group be two be oppositely arranged, one group of gear recessed 124 and one layer of first injection orifice 110 arrangement position
Corresponding, second handle portion 220 is provided with two just convex to the gear of setting 223, after inner tube 200 is installed in outer tube 100.Hang
The end of arm 221 and the edge of chute 122 reversely bend and mutually buckled so that second handle portion 220 is hung over first-hand by button
On shank 120, when gear convex 223 is relative with the position of gear recessed 124, under a stretching force, gear convex 223 can be automatically inserted
, it is necessary to firmly rotate inner tube 200 in gear recessed 124, gear convex 223 could be released from gear recessed 124.Therefore, when actively
Inner tube 200, when making in the lucky embedded one group of gear recessed 124 of gear convex 223, operating personnel can feel with feel and sound
Reach one " gear "；It is similar, continue in rotating inner tube, gear another group of gear recessed 124 of convex 223 insertion, reach another
Individual " gear ".Operating personnel are by sense organ it may determine that whether inner tube 200 turns to " gear " of setting, convenient operation.
Under outer tube 100 and the assembled state of inner tube 200, inner tube 200 is in suit passage, and outer tube 100 and inner tube 200 are rotated
Cooperation, the outlet of suit passage and the outlet of injection canal overlap end injection canal, the section of end injection canal and are
It is circular.Outer tube 100 is not rotated, and the first catch 130 blocks the semi-circular channel of the wherein side of end injection canal.Can only be by remaining
Under side semi-circular channel be available for inject bone cement, the remaining unimpeded semi-circular channel in this side be " effective injection canal ", pass through
Inner tube 200 is rotated, drives the second catch 230 to rotate, the area that the second catch 230 covers " effective injection canal " can be adjusted,
So as to control the opening degree of semicircular " effective injection canal ", the limitation injection of bone cement is realized.
It is as shown in Figs. 7-9, puncture channel, the profile of puncture needle 400 and the inwall of puncture channel are provided with puncture tube 300
Shape matches, and the outlet of puncture channel is located at the first end of puncture tube 300, and the outlet of puncture channel is stretched out for puncture needle 400.
Bone cement injection could be carried out by needing to use puncture needle 400 to puncture after centrum, puncture channel is used to, through puncture needle 400, puncture
After the completion of extract puncture needle 400, puncture tube 300 is stayed in human body as operation path, and now the outlet of puncture channel can also
For injecting bone cement, and by adjusting the position of the first catch 130 and the second catch 230 bone cement can be controlled to inject
Flow.
The profile of outer tube 100 and the inner wall shape of puncture channel match, and puncture needle 400 is extracted after the completion of puncture, puncture
Pipe 300 is stayed in human body as operation path, outer tube 100 and inner tube 200 is installed in puncture tube 300, the side of puncture tube 300
Wall is provided with three the 3rd injection orifices 310, when outer tube 100 is installed in puncture tube 300, three the 3rd injection orifices 310 respectively with
Three the first injection orifices 110 correspondence and connect (not limited to this, the 3rd injection orifice 310 can also be larger perforate, if its
More than the distribution face of the first injection orifice 110, it can allow that all first injection orifices are connected with outer).When the second injection orifice
210 connect with corresponding first injection orifice 110, and bone cement can be injected to human body from the 3rd injection orifice 310.
Second end of puncture tube 300 is provided with the 3rd handle portion 320, and the 3rd handle portion 320 is provided around the peace of puncture channel
Tankage, mounting groove 321 is annular or part-toroidal, and the second end of outer tube 100 is provided with first-hand shank 120, first-hand shank 120
Provided with a pair of installing arms 121, mounting groove 321 is provided with two relative openings for the installation of installing arm 121, the end of installing arm 121
End is embedded in mounting groove 321, and the end of installing arm 121 reversely bends with the edge of mounting groove 321 and mutually buckled.Installing arm
121 are mounted in mounting groove 321, and convex or positioning that can also be provided with matching in mounting groove 321 be recessed, so that outside
Pipe 100 is fixed relative to the position of puncture tube 300, now the connection corresponding with the first injection orifice 110 respectively of the 3rd injection orifice 310,
Convenient operation.3rd handle portion 320 is provided with arrow, for indicating the side provided with the 3rd injection orifice 310, facilitates operating personnel
Identification.
Puncture needle 400 punctures handle and is provided with the structure close with installing arm 121, for that will wear provided with handle is punctured
Pricker 400 is installed in mounting groove 321, and mounting groove 321 compatible can install second handle portion 220 and puncture handle.
After the completion of puncture, by the indwelling of puncture tube 300 in human body, puncture needle 400 is extracted, outer tube 100 is pacified with inner tube 200
Loaded on inner tube 200 in puncture tube 300, is rotated relative to outer tube 100, the injection position or flow of bone cement, the first injection are adjusted
Hole 110 is corresponded and is engaged respectively with the second injection orifice 210, and the first catch 130 is engaged with the second catch 230：
A, inner tube 200 is installed in outer tube 100, in first group of gear recessed 124 of now convex 223 insertion of gear, second-hand
The mark reading of handle is 0 °, and the first injection orifice of first layer 110 staggers with the second injection orifice of first layer 210, and first layer second is injected
Blocked by the wall of outer tube 100 in hole 210；The first injection orifice of the second layer 110 staggers with the second injection orifice of the second layer 210, the second layer
Second injection orifice 210 is blocked by the wall of outer tube 100；The first injection orifice of third layer 110 is wrong with the second injection orifice of third layer 210
Open, the second injection orifice of third layer 210 is blocked by the wall of outer tube 100；Bone cement can not be noted from the side of bone cement injection device
Inject human body；
Second catch 230 does not block " effective injection canal ", and " effective injection canal " standard-sized sheet, bone cement can pass through bone water
The end of mud injection device is injected into human body.
B. when inner tube 200 turns to the first gear (i.e. inner tube 200 turns to first angle), now gear convex 223 is embedding
Enter in second group of gear recessed 124, the mark reading of second handle is 60 °, the first injection orifice of first layer 110 and the note of first layer second
Perforation 210 is connected, so that the first injection orifice of first layer 110 is connected with injection canal, the bone cement in injection canal can pass through
The first injection orifice of first layer 110, the second injection orifice of first layer 210 are injected into human body；
The first injection orifice of the second layer 110 staggers with the second injection orifice of the second layer 210, and the second layer the second injection orifice 210 is outer
The wall of pipe 100 is blocked, and bone cement can not pass through；
The first injection orifice of third layer 110 staggers with the second injection orifice of third layer 210, and third layer the second injection orifice 210 is outer
The wall of pipe 100 is blocked, and bone cement can not pass through；
Second catch 230 closes the 1/3 of " effective injection canal " semicircle, and the 2/3 of " effective injection canal " semicircle is open-minded, note
The bone cement penetrated in passage can be injected into human body by this 2/3 semicircle.
C. when inner tube 200 turns to the second gear (i.e. inner tube 200 turns to second angle), now gear convex 223 is embedding
Enter in the 3rd group of gear recessed 124, the mark reading of second handle is 120 °, the first injection orifice of first layer 110 and first layer second
Injection orifice 210 staggers, and the second injection orifice of first layer 210 is blocked by the wall of outer tube 100, and bone cement can not pass through；
The first injection orifice of the second layer 110 is connected with the second injection orifice of the second layer 210, and the bone cement in injection canal can lead to
Cross the injection orifice of the second layer first, the injection orifice of the second layer second and be injected into human body；
The first injection orifice of third layer 110 staggers with the second injection orifice of third layer 210, and third layer the second injection orifice 210 is outer
The wall of pipe 100 is blocked, and bone cement can not pass through；
Second catch 230 closes the 2/3 of " effective injection canal " semicircle, and the 1/3 of " effective injection canal " semicircle is open-minded, note
The bone cement penetrated in passage can be injected into human body by this 1/3 semicircle.
D. when inner tube 200 turns to third gear, (i.e. inner tube 200 turns to designed in third angle, the present embodiment
The first catch and the second catch position so that inner tube turns to third angle and turns to the 5th angle and is exactly same position
Put, fourth angle may be such that the unspecified angle that end injection canal is opened.But not limited to this, inner tube turns to the third angle
Spend and turn to the 5th angle and may not be same position), second of the 3rd group of insertion after now gear convex 223 rotates a circle
In gear recessed 124, the mark reading of second handle is 180 °, the first injection orifice of first layer 110 and the second injection orifice of first layer 210
Stagger, the second injection orifice of first layer 210 is blocked by the wall of outer tube 100, and bone cement can not pass through；
The first injection orifice of the second layer 110 staggers with the second injection orifice of the second layer 210, and the second layer the second injection orifice 210 is outer
The wall of pipe 100 is blocked, and bone cement can not pass through；
The first injection orifice of third layer 110 is connected with the second injection orifice of third layer 210, and the bone cement in injection canal can lead to
Cross the injection orifice of third layer first, the injection orifice of third layer second and be injected into human body；
Second catch 230 closes " effective injection canal " semicircle whole, and " effective injection canal " closing, bone cement can not lead to
Cross.
Thus, by adjusting the gear of inner tube, the relative position relation of the first injection orifice and the second injection orifice can be controlled,
The a certain injection orifice of layer first can be controlled to be connected with injection canal, so as to be noted by a certain specific first injection orifice into human body
Bone cement is penetrated, the orientation injection of bone cement is realized, it is to avoid bone cement injection position is single, causes bone cement excess accumulation to occur side
The danger such as leakage.By controlling the registration of the first catch and the second catch, the degree of opening of end injection canal is controlled, and then control
The bone cement injection volume of end injection canal processed.It can realize from multiposition to people's internal injection bone cement.
Meanwhile, when the corresponding one layer of second injection orifice connection of wherein one layer first injection orifice, the second of remainder layer
First injection orifice of the corresponding layer of injection orifice is staggered；Only pass through wherein one layer first injection orifice, the second injection orifice every time
Bone cement is injected, accurate positioning further reduces operation risk.
When rotating inner tube, without the mobile puncture tube contacted with tissue, you can realize the orientation input of bone cement, subtract
Minor operation is injured.
Also, by designing position of first injection orifice on outer tube, the injection direction of bone cement can be accurately controlled,
It is effectively protected human body.
Be not limited to the present embodiment or, be staggered between each injection orifice of layer first in the circumference of outer tube.
Each technical characteristic of above example can be combined arbitrarily, to make description succinct, not to above-described embodiment
In each technical characteristic it is all possible combination be all described, as long as however, the combination of these technical characteristics be not present lance
Shield, is all considered to be the scope of this specification record.
Above example only expresses the several embodiments of the present invention, and it describes more specific and detailed, but can not
Therefore it is construed as limiting the scope of the patent.It should be pointed out that for the person of ordinary skill of the art,
On the premise of not departing from present inventive concept, various modifications and improvements can be made, these belong to protection scope of the present invention.
Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (9)
1. a kind of bone cement injection device, it is characterised in that including：
Provided with suit passage in outer tube, outer tube, the side wall of outer tube is provided with least two the first injections connected with suit passage
Hole, at least two first injection orifices are at least two layers arranged along the axis direction of outer tube；
Injection canal is provided with inner tube, inner tube, the side wall of inner tube is provided with least two the second injections connected with injection canal
Hole, at least two second injection orifices are at least two layers arranged along the axis direction of inner tube；
Inner tube is in suit passage, and outer tube and inner tube are rotatably assorted, and every layer of first injection orifice is corresponding with one layer of second injection orifice
Coordinate, when inner tube turns to special angle, the second injection orifice connection of at least one layer of corresponding layer of first injection orifice, remaining
Second injection orifice of the layer corresponding layer of the first injection orifice staggers.
2. bone cement injection device according to claim 1, it is characterised in that the rotary shaft of the outer tube and said inner tube
Line is first axle, and first injection orifice is with least one of each layer injection orifice of second injection orifice in first axle
Circumference mutually stagger upwards.
3. bone cement injection device according to claim 2, it is characterised in that first injection orifice is to line up three layers
Three, axis direction of three first injection orifices along the outer tube is arranged as a row, and second injection orifice is to line up three
Three of layer, three second injection orifices mutually stagger in the circumference of said inner tube.
4. bone cement injection device according to claim 3, it is characterised in that when said inner tube turns to first angle
When, the first injection orifice is connected with the second injection orifice described in first layer described in first layer, the first injection orifice and second described in remainder layer
Layer second injection orifice staggers；When said inner tube turns to second angle, the first injection orifice described in the second layer and described the
Two layer of second injection orifice connection, the first injection orifice described in remainder layer staggers with the second injection orifice described in the second layer；Work as said inner tube
When turning to third angle, the first injection orifice described in third layer is connected with the injection orifice of third layer second, described in remainder layer
One injection orifice staggers with the second injection orifice described in the second layer.
5. bone cement injection device according to claim 1, it is characterised in that the second end of the outer tube is provided with first-hand
Shank, the second end of said inner tube is provided with the axis that the outer tube is provided around in second handle portion, the first-hand shank
Chute, the chute is annular or part-toroidal, and the second handle portion is provided with upper arm, and the end of the upper arm is slidedly arranged on institute
State in chute, the edge of the end of the upper arm and the chute reversely bends and mutually buckled.
6. bone cement injection device according to claim 5, it is characterised in that be additionally provided with the first-hand shank spacing
Limit convex is additionally provided with groove, the second handle portion, the limit convex is in the stopper slot.
7. according to any described bone cement injection device of claim 1 to 6, it is characterised in that the outlet of the suit passage
Positioned at the first end of the outer tube, the outlet of the injection canal is positioned at the first end of said inner tube, and the suit passage goes out
The export mixes end injection canal of mouth and the injection canal；
The first end of the outer tube is provided with the first catch, and the outlet of suit passage, described described in the first catch shield portions
The first end of inner tube is provided with the second catch, the outlet of injection canal described in the second catch shield portions：When said inner tube turns
When moving to fourth angle, first catch and second catch are least partially overlapped, the end injection canal at least portion
Divide conducting；When said inner tube turns to five angles, first catch closes the end jointly with second catch
Injection canal.
8. according to any described bone cement injection device of claim 1 to 6, it is characterised in that also include puncture tube, puncture
Puncture channel is provided with pipe, the inner wall shape of the profile of the outer tube and the puncture channel matches, the side of the puncture tube
Wall is provided with the 3rd injection orifice connected with puncture channel, and the 3rd injection orifice is at least two set along puncture tube axis direction
Layer, every layer of the 3rd injection orifice is corresponding with one layer of first injection orifice respectively and connects.
9. bone cement injection device according to claim 8, it is characterised in that the first end of the puncture tube is provided with the 3rd
Handle portion, the 3rd handle portion is provided with mounting groove, and the mounting groove is annular or part-toroidal, the second end of the outer tube
Provided with first-hand shank, the first-hand shank is provided with installing arm, and the end of the installing arm is embedded in the mounting groove,
The end of the installing arm and the edge of the mounting groove reversely bend and mutually buckled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510427818.6A CN105012005B (en) | 2015-07-20 | 2015-07-20 | Bone cement injection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510427818.6A CN105012005B (en) | 2015-07-20 | 2015-07-20 | Bone cement injection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105012005A CN105012005A (en) | 2015-11-04 |
| CN105012005B true CN105012005B (en) | 2017-10-17 |
Family
ID=54402571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510427818.6A Active CN105012005B (en) | 2015-07-20 | 2015-07-20 | Bone cement injection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105012005B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019133775A1 (en) * | 2017-12-28 | 2019-07-04 | Cardio Voyage Innovations, Llc | Directional kyphoplasty device and method of using such a device |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105769324B (en) * | 2016-02-24 | 2019-04-12 | 山东明德生物医学工程有限公司 | A kind of injectable type centrum prosthetic device |
| CN106691571A (en) * | 2016-08-29 | 2017-05-24 | 宁波华科润生物科技有限公司 | Transport cannula for skeleton filler |
| CN107198564A (en) * | 2017-06-05 | 2017-09-26 | 广州爱锘德医疗器械有限公司 | Injection device |
| CN117426834A (en) * | 2023-12-20 | 2024-01-23 | 北京华脉泰科医疗器械股份有限公司 | Catheter set |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2673314Y (en) * | 2003-12-29 | 2005-01-26 | 丁亮华 | Bone cement injector |
| CN2788748Y (en) * | 2005-05-03 | 2006-06-21 | 于晓 | Long-distance injector for pyramid plastic operation |
| DE602006017504D1 (en) * | 2006-01-30 | 2010-11-25 | Stryker Trauma Gmbh | Device for injecting a substance and separating the components of a mixture |
| US20080065083A1 (en) * | 2006-09-07 | 2008-03-13 | Csaba Truckai | Bone treatment systems and methods |
| CN204971553U (en) * | 2015-07-20 | 2016-01-20 | 广州爱锘德医疗器械有限公司 | Bone cement injection device |
-
2015
- 2015-07-20 CN CN201510427818.6A patent/CN105012005B/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019133775A1 (en) * | 2017-12-28 | 2019-07-04 | Cardio Voyage Innovations, Llc | Directional kyphoplasty device and method of using such a device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105012005A (en) | 2015-11-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105012005B (en) | Bone cement injection device | |
| AU680380B2 (en) | Multiluminal endoscopic portal | |
| EP2696932B1 (en) | Variable hemostasis valve and method of use | |
| CN205019559U (en) | Periphery ductus venosus with portion of holding is grabbed to wing formula | |
| CN104717931B (en) | Optical ferrule pin visualization system and equipment | |
| US6517519B1 (en) | Device and method for rapid chest tube insertion | |
| US4617929A (en) | Surgical appliance and a method for introducing drainage tubing into cavities | |
| CN104274868B (en) | A kind of drainage kit | |
| US20100113883A1 (en) | Surgical access port with adjustable ring geometry | |
| JP2016137287A (en) | Surgical access apparatus and method | |
| CN101912292B (en) | In-vivo puncture and intubation device | |
| US20160000462A1 (en) | Trocar | |
| CN206228395U (en) | One step expands method PCN passage Stent assembly | |
| CN103394157A (en) | Operation device with channel expansion and maintaining functions | |
| CN205054415U (en) | Bone cement injection device | |
| CN204797923U (en) | Ware is sewed up to manadesma | |
| CN201744055U (en) | In-vivo puncture tube-implanting device | |
| CN204971553U (en) | Bone cement injection device | |
| CN206081286U (en) | Catheter fixation device | |
| CN104083215A (en) | Separable air bag device for protecting intestinal tract surgery field | |
| CN102553002A (en) | Disposable external drainage apparatus for cerebrospinal fluid | |
| CN106730061A (en) | A kind of puncture decompression drainage system | |
| CN206715020U (en) | A kind of new thoracic cavity tube-placing device | |
| CN202478240U (en) | Disposable cerebrospinal fluid in-vitro drainage device | |
| CN103083065A (en) | Sleeve assembly of puncture outfit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |