CN203736296U - Bone filler implanting system - Google Patents
Bone filler implanting system Download PDFInfo
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- CN203736296U CN203736296U CN201320813282.8U CN201320813282U CN203736296U CN 203736296 U CN203736296 U CN 203736296U CN 201320813282 U CN201320813282 U CN 201320813282U CN 203736296 U CN203736296 U CN 203736296U
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- cystidium
- pipe
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- sleeve pipe
- handle
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- 239000007943 implant Substances 0.000 claims description 27
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- 239000000463 material Substances 0.000 claims description 24
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- Surgical Instruments (AREA)
Abstract
The utility model relates to a bone filler implanting system, which comprises a bag-shaped body and a conveying device, wherein a sealing head is fixedly connected with the far end of the bag-shaped body; a blind hole with an opening facing to the interior of the bag-shaped body is formed in the near end of the sealing head; micropores are formed in the bag-shaped body; the conveying device comprises a lining core, a conveying pipe and a sleeve; the conveying pipe is a rigid pipe; the far end of the conveying pipe is detachably connected with the near end of the bag-shaped body; the lining core is inserted into the conveying pipe in a sliding manner; the far end part of the lining core extends out of the far end of the conveying pipe, and is a bent section; the far end of the lining core penetrates through the conveying pipe and the interior of the bag-shaped body and is inserted into the blind hole of the sealing head; the far end of the sleeve is a flexible section and is rigid in the radial direction; the conveying pipe and the bag-shaped body are sleeved with the sleeve. The bone filler implanting system provided by the utility model has the advantages as follows: operating steps are simplified, the bone tissue is smoothly opened through extrusion during the conveying process, meanwhile, the bag-shaped body can be fed into the center or the opposite side of a vertebral body, so that the leakage of bone cement can be avoided, and the height of the vertebral body can be recovered.
Description
Technical field
This utility model belongs to medical instruments field, is specifically related to a kind of bone filler implant system using in percutaneous balloon kyphoplasty (PKP).
Background technology
Osteoporotic vertebral fracture is the commonly encountered diseases of harm middle-aged and elderly people health, for compression fracture of vertabral body, traditional Therapeutic Method is to guard as main, comprise lie up, medicine pain relieving, brace be fixing etc. outward, easily cause the further loss of bone amount, form vicious cycle thereby increase the weight of osteoporosis; And open surgery is often in poor shape because of systemic, screw constant intensity deficiency, easily causes interior fixing failure.
Charles Robert Richet Deramond etc. has reported the Aggressive hemangioma of application percutaneous vertebroplasty (PVP) treatment C2 vertebral body for 1987, has obtained good curative effect.After this, this technology is also applied to Vertebral malignant tumors: and osteoporosis.The weak point of this operation is can only make to hinder vertebra to be fixed and alleviating pain by deformity, can not recover vertebral height and correct kyphosis deformity, and due under elevated pressures to the low viscosity bone cement of direct injection in vertebral body spongy bone, it flows more difficult control, bone cement percolation ratio is higher, and bibliographical information is 30%～67%.By 1994, American scholar Reiley etc., on PVP basis, designed the technology of correcting kyphosis deformity by balloon expandable, became percutaneous kyphoplasty (PKP), and it ratified to be applied to clinical in 1998 by FDA.This technology utilizes percutaneous puncture a kind of balloon-expandable to be inserted to the vertebral body of subsiding, by the expansion lifting soleplate of sacculus, reply the height of vertebral body, correct kyphosis deformity, and in vertebral body, form the cavity that a surrounding is bone shell, under lower pressure, pour into the bone cement of high viscous.In order to make sacculus enter smoothly vertebral body, need to first set up service aisle with puncture needle and working column, and then use bone drill to get out the work cavity of sacculus before expansion, finally again sacculus is sent in vertebral body to complex operation step; Due to the reason of vertebral body structure; in order to keep the stress balance on vertebral body biomechanics; every joint vertebral body all needs to carry out the balloon expandable of bilateral; and in balloon expandable process; often can make the original slight crack of vertebral body increase; bone cement can, along these slight cracks even seepage outside vertebral body of osseous tissue towards periphery, cause serious complication.
Spineology company exploitation Vessel series bone filler bag (publication number: US20040073308), to send into vertebral body inside with porose bag, bone cement is injected in inside to bag, can effectively control the generation of bone cement seepage, but need to use other apparatus first to open the cavity that can hold bag in vertebral body inside, and still need to carry out bilateral puncture, operating procedure is more, occurs that the probability of complication is high, operating time long, increases misery and the financial burden of sufferer.
Summary of the invention
The purpose of this utility model is to provide a kind of one-time puncture of realizing and can is sent to vertebral body central authorities, simplifies operating procedure, avoids bone cement generation seepage and can recover the bone filler implant system of vertebral height.This utility model is implanted a distensible cystidium with the conveyer device of bending section to vertebral body central authorities by far-end, to the inner injection of cystidium bone filler, reaches the object of recovering vertebral height and avoiding bone filler seepage by conveyer device.
The purpose of this utility model is achieved through the following technical solutions:
A kind of bone filler implant system, comprise cystidium and conveyer device, the far-end of described cystidium is fixedly connected with the end socket of far-end sealing, the near-end of described end socket has the blind hole of opening towards the inside of described cystidium, described cystidium has micropore, described conveyer device comprises lining core, carrier pipe and sleeve pipe, described carrier pipe is rigid pipe, the far-end of described carrier pipe and the near-end of described cystidium removably connect, described lining core is slidably inserted in described carrier pipe, the distal portions of described lining core is bending section, described bending section stretches out the far-end of described carrier pipe, the far-end of described lining core is inserted in the described blind hole of described end socket through the inside of described carrier pipe and described cystidium, described cystidium wraps up the described bending section of described lining core, the distal portions of described sleeve pipe is compliant section, the proximal part of described sleeve pipe is rigid section, described compliant section is rigidity diametrically, described sleeve pipe is enclosed in outside described carrier pipe and described cystidium, in the time of the described conveyer device of operation, described sleeve pipe moves axially to the near-end of described carrier pipe, described cystidium is exposed.
The purpose of this utility model can also further realize by following technical scheme:
Preferably, the micropore size of the near-end of described cystidium is less than the micropore size of its far-end, or the micropore quantity of the mid portion of described cystidium is more than the micropore quantity at its two ends, or a side of described cystidium has micropore, or the combination of said structure.
Preferably, described cystidium is Banana Type or dumbbell shape structure.
Preferably, described cystidium is made up of non-woven material.
Preferably, described cystidium is folding along its axial direction, along the distal portions of the described lining core of its circumferential parcel.
Preferably, the end portion of described bending section is flat segments, and described flat segments is inserted in the described blind hole of described end socket inside, and supports to described blind hole bottom.
Preferably, the end portion of the described bending section of described lining core is flat segments, and described flat segments is inserted in the described blind hole of described end socket inside, and supports to described blind hole bottom.
Preferably, described conveyer device also comprises the lining core handle being fixedly connected with the near-end of described lining core, the convey handle being fixedly connected with the near-end of described carrier pipe and the sleeve pipe handle being connected with the near-end of described sleeve pipe, described convey handle has one or more gathering sills, be provided with the block that described sleeve pipe handle is played to position-limiting action at the far-end of described convey handle, on described sleeve pipe handle, be provided with one or more and described gathering sill and coordinate the guide pad of installing, mobile described sleeve pipe handle, described sleeve pipe moves vertically with described sleeve pipe handle.
Preferably, the described compliant section of described sleeve pipe is formed, is formed or made or constituted by metal material and macromolecular material by hard medical macromolecular materials by spring by cuts in metallic pipe.
Preferably, between described carrier pipe and described sleeve pipe, be also provided with pressure pipe, the near-end of described pressure pipe is fixedly connected with pressure pipe handle, the far-end of described carrier pipe or described pressure pipe is through deformation process, while making the far-end of described carrier pipe and the assembling of the far-end concentric of described pressure pipe, form contacting of line or face, to the near-end of described cystidium is fixed between described pressure pipe and described carrier pipe.
Preferred, described deformation process is enlarging, closing in, step, fixed lobe or inner chamber is expanded.
Preferably, the distal portions of described lining core is the bending section with shape-memory properties.
Preferably, described end socket is made up of rigid material, and far-end is tip shape, the far-end of described sleeve pipe and the socket of described end socket or join.
Compared with the existing technology, feature of the present utility model and progressive as follows:
1, need before use to use bone drill to output the passage that sacculus enters for existing sacculus, the defect of complex operation step, this utility model has hard end socket in the remote design of cystidium, and in addition, the sleeve pipe of rigidity is enclosed in outside cystidium, entering in vertebral body process, do not need need to get out in advance as traditional PKP art the working chamber of sacculus, due to the protective effect of sleeve pipe to cystidium, can directly cystidium be sent in vertebral body, simplify operation technique, reduced operation risk; Due to the booster action of lining core, it is more reliable, convenient that bone filler induction system enters vertebral body process.
2, sleeve pipe of the present utility model is rigidity in radial direction, can bear certain pressure, enter in vertebral body process at bone filler implant system, can pass through turning handle, bending section is opened osseous tissue extruding, allow bone filler implant system enter the process of vertebral body more smooth.
3, the far-end of lining core of the present utility model is bending section, the far-end of sleeve pipe is compliant section, make bone filler implant system of the present utility model only need one-sided puncture can arrive the offside of vertebral body central authorities or vertebral body, avoid the bilateral high defect of complex operation, complication of bringing that punctures, and the design that the near-end of sleeve pipe is rigid section makes the transmission effect to pushing power better, more easily puncture.
4, in clinical operation, once going deep into canalis spinalis part, bone cement can push nerve, also can cause pulmonary infarction by intravasation simultaneously, in preferred technical scheme, cystidium of the present utility model is non-woven structure, and the micropore on cystidium is to form by post-production, and micropore is controlled in the lip-deep distribution of cystidium, and the hole of braiding structure is to be dispersed throughout cystidium surface, the distribution in hole is uncontrollable.
5, according to anatomical knowledge, vertebral body can be approximated to be ellipse, and compression fracture of vertabral body occurs in anterior margin of vertebral body substantially, in preferred technical scheme, cystidium of the present utility model is Banana Type or dumbbell shape, can better adapt to the shape of anterior margin of vertebral body, keep the original biomechanical balance of vertebral body.
Brief description of the drawings
Fig. 1 is the structural representation of an embodiment of the present utility model; Wherein Fig. 1 a has represented the structural representation of the full state of cystidium; Fig. 1 b has represented the structural representation of bone filler implant system original state.
Fig. 2 is the structural representation of the cystidium of an embodiment of the present utility model; Wherein Fig. 2 a has represented the structural representation of straight-tube shape cystidium; Fig. 2 b has represented the structural representation of Banana Type cystidium; Fig. 2 c has represented the structural representation of dumbbell shape cystidium.
Fig. 3 is the structural representation of the conveyer device of an embodiment of the present utility model; Wherein Fig. 3 a has represented the structural representation of conveyer device; Fig. 3 b has represented the structural representation of carrier pipe, sleeve pipe, convey handle; Fig. 3 c has represented the structural representation of lining core and lining core handle; Fig. 3 d has represented the generalized section that the bending section of lining core is made up of nitinol alloy wire and medical macromolecular materials.
Fig. 4 is the relative position schematic diagram of bone filler implant system sleeve pipe, carrier pipe, lining core and the cystidium in the time of original state of an embodiment of the present utility model.
Fig. 5 is the structural representation of end socket of the present utility model; Wherein, Fig. 5 a has represented that end socket bundlees with cystidium the structural representation being connected; Fig. 5 b has represented the structural representation that end socket is threaded with cystidium; Fig. 5 c has represented that end socket compresses with cystidium the structural representation being connected; Fig. 5 d has represented that end socket and cystidium compress the structural representation of the tabletting that is connected.
Fig. 6 is the convey handle of an embodiment of the present utility model and the structural representation of sleeve pipe handle; Wherein, Fig. 6 a has represented the assembly relation schematic diagram of convey handle and sleeve pipe handle; Fig. 6 b has represented the structural representation of slide block.
Fig. 7 is the structural representation of the sleeve pipe of an embodiment of the present utility model; Wherein, Fig. 7 a has represented the sleeve pipe that formed by the cuts in metallic pipe view in straightened condition; Fig. 7 b has represented the sleeve pipe that formed by the cuts in metallic pipe view in case of bending.
Fig. 8 is the structural representation of another preferred implementation of sleeve pipe of the present utility model.
Fig. 9 is the partial sectional view of the 3rd preferred implementation of sleeve pipe of the present utility model; Wherein, Fig. 9 a is the structural representation being made up of medical macromolecular materials; Fig. 9 b is broken section enlarged drawing.
Figure 10 is the structural representation of the 4th preferred implementation of sleeve pipe of the present utility model; Wherein, Figure 10 a is the structural representation of the sleeve pipe that is made up of metal material and medical macromolecular materials; Figure 10 b is the schematic diagram of the cross section of described sleeve pipe.
Figure 11 is the cystidium of an embodiment of the present utility model and the structural representation removably connecting of carrier pipe; Wherein Figure 11 a has represented to be detachably connected as the structural representation that interference connects; Figure 11 b has represented the coupling part of cystidium and the partial sectional view of delivery tube part.
Figure 12 is the structural representation of the cystidium of an embodiment of the present utility model and another preferred implementation removably connecting of carrier pipe; Wherein, Figure 12 a has represented the structural representation of the coupling part of cystidium; Figure 12 b and Figure 12 c have represented the structural representation of the buckle of delivery tube; Figure 12 d has represented that buckle is squeezed into the view of position; Figure 12 e has represented buckle schematic diagram in the raw.
Figure 13 is the structural representation of the cystidium of an embodiment of the present utility model and the 3rd preferred implementation removably connecting of carrier pipe.
Figure 14 is the assembling schematic diagram of cystidium, carrier pipe, pressure pipe and the sleeve pipe of an embodiment of the present utility model; Wherein Figure 14 a has represented that delivery tube enlarging and carrier pipe are the assembly relation schematic diagram that line contacts with pressure pipe; Figure 14 b has represented the assembly relation schematic diagram that carrier pipe contacts with the equal enlarging forming surface of pressure pipe far-end; Figure 14 c has represented that the closing in of pressure pipe far-end and carrier pipe form with sleeve pipe the assembly relation schematic diagram that line contacts.
Figure 15 is the schematic diagram of convey handle, sleeve pipe handle and the pressure pipe handle of an embodiment of the present utility model; Wherein Figure 15 a has represented the assembly relation schematic diagram of convey handle, sleeve pipe handle and pressure pipe handle; Figure 15 b has represented the structural representation of pressure pipe handle.
Figure 16 is the using state figure of the bone filler implant system of an embodiment of the present utility model; Wherein 16a has represented that bone filler implant system enters after vertebral body using state figure when cystidium is exposed; Figure 16 b has represented the using state figure after bone filler implant system injection bone filler; After Figure 16 c has represented to have performed the operation, the using state figure of cystidium.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, referring to the accompanying drawing embodiment that develops simultaneously, this utility model is elaborated.
Near-end described in the utility model refers to one end of the person that approaches operation technique, and described far-end refers to the one end away from operation technique person.
Embodiment 1
As shown in Figures 1 to 8, a kind of bone filler implant system, comprise cystidium 1 and conveyer device 2, the far-end of described cystidium 1 is fixedly connected with the end socket 11 of far-end sealing, the near-end of described end socket 11 has the blind hole 111 of opening towards the inside of described cystidium 1, described cystidium 1 has micropore 12, described conveyer device 2 comprises carrier pipe 21, sleeve pipe 22, lining core 23, described carrier pipe 21 is rigid pipe, the near-end of the far-end of described carrier pipe 21 and described cystidium 1 removably connects, described lining core 23 is slidably inserted in described carrier pipe 21, the distal portions of described lining core 23 is bending section 231, described bending section 231 stretches out the far-end of described carrier pipe 21, the far-end of described lining core 23 is inserted in the described blind hole 111 of described end socket 11 through the inside of described carrier pipe 21 and described cystidium 1, described cystidium 1 wraps up the described bending section 231 of described lining core 23, the distal portions of described sleeve pipe 22 is compliant section 221, proximal part is rigid section 222, described compliant section 221 is rigidity diametrically, described sleeve pipe 22 is enclosed in outside described carrier pipe 21 and described cystidium 1, in the time of the described conveyer device 2 of operation, described sleeve pipe 22 moves axially to the near-end of described carrier pipe 21, described cystidium 1 is exposed.
One preferred embodiment in, as shown in Fig. 2 a, 2b, 2c, described cystidium 1 is straight-tube shape, and the micropore size that is positioned at described cystidium 1 far-end is greater than the micropore size of its near-end, and the quantity of micropore that is positioned at described cystidium 1 mid portion is far away more than it, the quantity of near-end micropore.Another preferred embodiment in, as shown in Fig. 2 b, 2c, described cystidium 1 is Banana Type or dumbbell shaped, described cystidium 1 surface is with micropore 12, described micropore 12 is along the circumferential direction distributed in the part on described cystidium 1 surface, when described cystidium 1 is installed to after described conveyer device 2, described cystidium 1 is the bow direction towards the described bending section 231 of described lining core 23 with the part of described micropore 12.
One preferred embodiment in, described cystidium 1 is made up of non-establishment material, for example, fired and formed or formed by the blowing of tubular high polymer material by lamellar medical macromolecular materials.
As shown in Figure 5, the far-end of described cystidium 1 is fixedly connected with the end socket 11 of far-end sealing, and described end socket 11 is made up of rigid material.One preferred embodiment in, as shown in Figure 5 a, the near-end of described end socket 11 has the blind hole 111 of opening towards described cystidium 1 inside, the head end of described end socket 11 is tip shape, described end socket 11 has annular groove 112, the far-end of described cystidium 1 is tightly bundled in by silk (line) 113 in the described annular groove 112 of described end socket 11, and the far-end of described cystidium 1 overturns on described silk 113.Another preferred embodiment in, as shown in Figure 5 b, described end socket 11 has inner core 112 ', the near-end of described inner core 112 ' has external screw thread, described inner core 112 ' has the blind hole 111 of opening towards described cystidium 1 inside, the far-end of described end socket 11 is tip shape, described end socket 11 has female thread, the female thread of the external screw thread of described inner core 112 ' and described end socket 11 is all trapezoidal thread, the far-end of described cystidium 1 is tightly clamped by the female thread of the external screw thread of described inner core 112 ' and described end socket 11, and formation is threaded.The 3rd preferred embodiment in, as Fig. 5 c, shown in 5d, described end socket 11 has retainer ring 112 ", the far-end of described cystidium 1 is from described retainer ring 112 " endoporus passes, outwards upset is wrapping to described retainer ring 112 " outside, the near-end of described end socket 11 has multiple by cutting the sheet 114 forming, when the far-end of described cystidium 1 is wrapping to described retainer ring 112 " after, described end socket 11 is put, and the sheet 114 of described end socket 11 near-ends is depressed, the far-end of described cystidium 1 is fixedly connected with described end socket 11, described retainer ring 112 simultaneously " the inner blind hole 111 that forms.
As shown in Figure 3 c, one preferred embodiment in, the distal portions of described lining core 23 is the bending section 231 with shape-memory properties.As shown in Fig. 3 c and 3d, described bending section 231 is made up of nitinol alloy wire or is combined by nitinol alloy wire 2311 and macromolecular material 2312.The end portion of described bending section 231 is flat segments 232, and the described flat segments 232 of described bending section 231 ends is inserted in the described blind hole 111 of described end socket 11 slidably, and supports to described blind hole 111 bottoms.Described flat segments 232, inserting after described blind hole 111, in the time withdrawing from described lining core 23, can not drive described end socket 11, avoids described cystidium 1 to be shifted.
As shown in Figure 4, described cystidium 1 is folding along its axial direction, along the distal portions of the described lining core 23 of circumferential parcel of described cystidium 1.
As shown in Figure 3 and Figure 6, described conveyer device 2 also comprises the lining core handle 26 being fixedly connected with the near-end of described lining core 23, the convey handle 25 being fixedly connected with the near-end of described carrier pipe 21 and the sleeve pipe handle 24 being connected with the near-end of described sleeve pipe 22, described convey handle 25 has one or more gathering sills 251, be provided with block 252 at the far-end of described convey handle 25, described block 252 plays position-limiting action to described sleeve pipe handle 24, the described gathering sill 251 that described sleeve pipe handle 24 has one or more and described convey handle 25 coordinates the guide pad 241 of installing, mobile described sleeve pipe handle 24, described sleeve pipe 24 moves vertically with described sleeve pipe handle 24.
As shown in Figure 7 to 10, the distal portions of described sleeve pipe 22 is compliant section 221, proximal part is rigid section 222, described compliant section 221 is rigidity diametrically, described sleeve pipe 22 is enclosed in outside described carrier pipe 21 and described cystidium 1, and the far-end of described sleeve pipe 22 and described end socket 11 are socketed or join.In the time of the described conveyer device 2 of operation, described sleeve pipe 22 moves axially to the near-end of described carrier pipe 21, and described cystidium 1 is exposed.The described compliant section of described sleeve pipe 22 is formed, is formed or be made up or constituting by metal material and macromolecular material of hard medical macromolecular materials by spring by cuts in metallic pipe.One preferred embodiment in, as shown in Fig. 7 a and 7b, the described compliant section 221 of described sleeve pipe 22 is formed by cuts in metallic pipe, described rigid section 222 is metal tube.Another preferred embodiment in, as shown in Figure 8, the compliant section 221 of described sleeve pipe 22 is made up of metal spring, described rigid section 222 is metal tube, the near-end of described compliant section 221 is welded in the far-end of described rigid section 222.The 3rd preferred embodiment in, as shown in Fig. 9 a, 9b, the described compliant section 221 of described sleeve pipe 22 forms bending section by medical macromolecular materials (being preferably PEEK) by thermal finalization.The 4th preferred embodiment in, as shown in Figure 10 a, 10b, the described compliant section 221 of described sleeve pipe 22 is combined by metal material 2211 and medical macromolecular materials 2212, described rigid section 222 is made up of metal material.
As shown in Figure 11 to Figure 13, the far-end of described carrier pipe and the near-end of described cystidium removably connect, and described removably connecting comprises that interference fit connects, buckle connects, is threaded.One preferred embodiment in, as shown in Figure 11 a, 11b, the proximal extension of described cystidium 1 goes out tubular portion 13, be coated with one deck at the outer surface of the far-end of described carrier pipe 21 and have elasticity and the larger thin film 211 of frictional force, the far-end that described tubular portion 13 is directly enclosed within described carrier pipe 21 forms interference fit.Another preferred embodiment in, as shown in Figure 12 a, the near-end of described cystidium 1 is provided with stereoplasm tube 13, described stereoplasm tube 13 has one or more holes 131, the mode that the near-end of described cystidium 1 is exerted pressure by heating is fixed on the outer surface of described stereoplasm tube 13, described hole 131 is covered by the near-end of described cystidium 1, but is not packed in described hole 131.As shown in Figure 12 b, 12c, 12d, 13e, the far-end of described carrier pipe 21 has one or more buckles 211, and described buckle 211 is to be formed through cutting and shaping by the far-end of described carrier pipe 21, and under naturalness, described buckle 211 is in case of bending.In the time that described lining core 23 inserts described carrier pipe 21 and passes through described buckle 211, described buckle 211, by jack-up, snaps in the described hole 122 of described cystidium 1, and after described lining core 23 is withdrawn from, described buckle 211 is replied naturalness, from described hole 122, deviates from.The 3rd preferred embodiment in, as shown in figure 13, the near-end of described cystidium 1 is provided with stereoplasm tube 13, described stereoplasm tube 13 has female thread, the mode that the near-end of described cystidium 1 is exerted pressure by heating is fixed on the outer surface of described stereoplasm tube 13.The far-end of described carrier pipe 21 has the external screw thread matching with the female thread of described stereoplasm tube 13.
As shown in Figure 14 and Figure 15, between the described carrier pipe 21 of bone filler implant system and described sleeve pipe 22, be also provided with pressure pipe 27, be that described pressure pipe 27 is enclosed within outside described carrier pipe 21, described sleeve pipe 22 is enclosed within outside described pressure pipe 27, the near-end of described pressure pipe 27 is fixedly connected with pressure pipe handle 28, the far-end of described carrier pipe 21 or described pressure pipe 27 is through deformation process, while making the far-end of described carrier pipe 21 and the assembling of the far-end concentric of described pressure pipe 27, form contacting of line or face, to the near-end of described cystidium 1 is fixed between described pressure pipe 27 and described carrier pipe 21.One preferred embodiment in, as shown in figure 14, the far-end of described carrier pipe 21 forms horn mouth or is fixedly connected with annular protrusion or expands stepped, described pressure pipe 27 can form line with the far-end of described carrier pipe 21 and contact, the near-end of described cystidium 1 is fixed between described pressure pipe 27 and described carrier pipe 21, operate described pressure pipe handle 28 and can make described pressure pipe 27 move vertically, described cystidium 1 is discharged.In a preferred embodiment, the far-end of described pressure pipe 27 forms enlarging or is processed into step-likely, contacts with the far-end forming surface of described carrier pipe 21, and the near-end of described cystidium 1 is fixed between described pressure pipe 27 and described carrier pipe 21.One preferred embodiment in, the far-end of described pressure pipe 27 is processed to the shape that closes up, the far-end of described carrier pipe 21 forms line with the mouth of described pressure pipe 27 and contacts, the near-end of described cystidium 1 is fixed between described carrier pipe 21 and described pressure pipe 27, operates described pressure pipe handle 28 described pressure pipe 27 is moved vertically.Described cystidium 1 is discharged.In a preferred embodiment, the far-end of described carrier pipe 21 forms and closes up or step, contacts with the far-end forming surface of described pressure pipe 27, and the near-end of described cystidium 1 is fixed between described pressure pipe 27 and described carrier pipe 21.
In a preferred embodiment, as shown in figure 15, described pressure pipe handle 28 is installed on described convey handle 25, on described convey handle 25, be provided with chute 253, on described pressure pipe handle 28, there is protruding limited block 281, in the time that described pressure pipe handle 28 is arranged on described convey handle 25, described limited block 281 snaps in described chute 253, by mobile described pressure pipe handle 28, described pressure pipe 27 is moved vertically.
In the above-described embodiment, described end socket 11, described inner core 112 ', described retainer ring 112 " form (being preferably pure titanium) or form (being preferably PEEK) by the medical macromolecular materials of hard by metal material; Described cystidium 1 forms (being preferably expanded PTFE) by medical macromolecular materials; Described carrier pipe 21 and described pressure pipe 27 form (being preferably 304 rustless steels) by metal material pipe, the described compliant section 221 of described sleeve pipe 22 is formed, is formed or be made up of medical macromolecular materials (being preferably PEEK) sizing by spring by the cutting of metal material pipe, and the described rigid section of described sleeve pipe 22 is made up of metal material pipe or medical macromolecular materials (being preferably PEEK); The described thin film 211 of described carrier pipe 21 far-ends forms (being preferably expanded PTFE) by medical macromolecular materials; Described lining core 23 forms (being preferably Nitinol) by marmem; Described sleeve pipe handle 24, convey handle 25, lining core handle 26 and pressure pipe handle 28 form (being preferably POM) by medical macromolecular materials.
In operation process, to set up and finish the work after passage, described bone filler implant system enters in vertebral body along service aisle, observes by C type arm, until arrive precalculated position, in this process, described lining core 23 has following effect:
1, the distal tip of described lining core 23, in the described blind hole 111 of described end socket 11, in course of conveying, makes described cystidium 1 not move, not overturn in described sleeve pipe 22, pushes described lining core 23 simultaneously, can drive end socket 11 that osseous tissue extruding is opened.
2, described cystidium 1 is wrapped on the described fixed bend tune 231 of described lining core 23, makes it under the protection of described sleeve pipe 22, can reach vertebral body middle position.
As shown in Figure 16 a, 16b, 16c, when described bone filler implant system arrives behind precalculated position, move described sleeve pipe handle 24 to near-end, described sleeve pipe 22 is slowly dropped back, until described cystidium 1 all exposes, now pull described lining core handle 26 that described lining core 23 is withdrawn from completely, then, bone filler injection device is connected on described convey handle 21, along carrying tract to the interior injection bone filler of described cystidium 1, until described cystidium 1 is opened.After bone filler starts to solidify, pull described convey handle 21 that described cystidium 1 is thrown off with described carrier pipe 21, last, described carrier pipe 21 is withdrawn from; The embodiment being connected with the proximal threads of described cystidium 1 for the far-end of described carrier pipe 21, after bone filler starts to solidify, need to rotate described convey handle 21 and make the disengagement that is threaded of described cystidium 1 and described carrier pipe 21, last, described carrier pipe 21 is withdrawn from.
Have pressure pipe preferred embodiment in, when edge carries tract after the interior injection bone filler of described cystidium 1, the described pressure pipe handle 28 that in axial direction slides, thus drive described pressure pipe 27 to move, described cystidium 1 is discharged, finally described conveyer device 2 is withdrawn from.
Finally should be noted that; the foregoing is only preferred embodiment of the present utility model; not in order to limit this utility model; all any amendments of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (11)
1. a bone filler implant system, comprise cystidium and conveyer device, it is characterized in that: the far-end of described cystidium is fixedly connected with the end socket of far-end sealing, the near-end of described end socket has the blind hole of opening towards the inside of described cystidium, described cystidium has micropore, described conveyer device comprises lining core, carrier pipe and sleeve pipe, described carrier pipe is rigid pipe, the far-end of described carrier pipe and the near-end of described cystidium removably connect, described lining core is slidably inserted in described carrier pipe, the distal portions of described lining core is bending section, described bending section stretches out the far-end of described carrier pipe, the far-end of described lining core is inserted in the described blind hole of described end socket through the inside of described carrier pipe and described cystidium, described cystidium wraps up the described bending section of described lining core, the distal portions of described sleeve pipe is compliant section, the proximal part of described sleeve pipe is rigid section, described compliant section is rigidity diametrically, described sleeve pipe is enclosed in outside described carrier pipe and described cystidium, in the time of the described conveyer device of operation, described sleeve pipe moves axially to the near-end of described carrier pipe, described cystidium is exposed.
2. bone filler implant system according to claim 1, it is characterized in that, the micropore size of the near-end of described cystidium is less than the micropore size of its far-end, or the micropore quantity of the mid portion of described cystidium is more than the micropore quantity at its two ends, or a side of described cystidium has micropore, or a side of described cystidium has micropore, the micropore size of the near-end of described cystidium is less than the micropore size of its far-end, and the micropore quantity of the mid portion of described cystidium is more than the micropore quantity at its two ends.
3. bone filler implant system according to claim 1, is characterized in that, described cystidium is Banana Type or dumbbell shape structure.
4. bone filler implant system according to claim 1, is characterized in that, described cystidium is made up of non-woven material.
5. bone filler implant system according to claim 1, is characterized in that, described cystidium is folding along its axial direction, along the distal portions of the described lining core of its circumferential parcel.
6. bone filler implant system according to claim 1, is characterized in that, the end portion of the described bending section of described lining core is flat segments, and described flat segments is inserted in the described blind hole of described end socket inside, and supports to described blind hole bottom.
7. bone filler implant system according to claim 1, it is characterized in that, described conveyer device also comprises the lining core hands handle being fixedly connected with the near-end of described lining core, the convey handle being fixedly connected with the near-end of described carrier pipe and the sleeve pipe hands handle being connected with the near-end of described sleeve pipe, described convey handle has one or more gathering sills, be provided with the block that described sleeve pipe handle is played to position-limiting action at the far-end of described convey handle, on described sleeve pipe handle, be provided with one or more and described gathering sill and coordinate the guide pad of installing, mobile described sleeve pipe hands handle, described sleeve pipe moves vertically with described sleeve pipe handle.
8. bone according to claim 1 is filled out and is permitted thing implant system, it is characterized in that, the described compliant section of described sleeve pipe by cuts in metallic pipe form, the described compliant section of described sleeve pipe is made up of spring or the described compliant section of described sleeve pipe is made up of hard medical macromolecular materials.
9. bone filler implant system according to claim 1, it is characterized in that, between described carrier pipe and described sleeve pipe, be also provided with pressure pipe, the near-end of described pressure pipe is fixedly connected with pressure pipe handle, the far-end of described carrier pipe or described pressure pipe is through deformation process, while making the far-end of described carrier pipe and the assembling of the far-end concentric of described pressure pipe, form contacting of line or face, to the near-end of described cystidium is fixed between described pressure pipe and described carrier pipe.
10. bone filler implant system according to claim 9, is characterized in that, described deformation process is enlarging, closing in, step, fixed lobe or inner chamber is expanded.
11. bone filler implant systems according to claim 1, is characterized in that, described end socket is made up of rigid material, and far-end is tip shape, the far-end of described sleeve pipe and the socket of described end socket or join.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320813282.8U CN203736296U (en) | 2013-12-12 | 2013-12-12 | Bone filler implanting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320813282.8U CN203736296U (en) | 2013-12-12 | 2013-12-12 | Bone filler implanting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203736296U true CN203736296U (en) | 2014-07-30 |
Family
ID=51336172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320813282.8U Expired - Lifetime CN203736296U (en) | 2013-12-12 | 2013-12-12 | Bone filler implanting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203736296U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103637842A (en) * | 2013-12-12 | 2014-03-19 | 宁波华科润生物科技有限公司 | Implantation system for bone implants |
| CN106388924A (en) * | 2016-09-28 | 2017-02-15 | 上海凯利泰医疗科技股份有限公司 | Bone filler injecting system |
| 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 |
-
2013
- 2013-12-12 CN CN201320813282.8U patent/CN203736296U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103637842A (en) * | 2013-12-12 | 2014-03-19 | 宁波华科润生物科技有限公司 | Implantation system for bone implants |
| WO2015085836A1 (en) * | 2013-12-12 | 2015-06-18 | 宁波华科润生物科技有限公司 | Bone filler implanting system |
| 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 |
| CN106388924A (en) * | 2016-09-28 | 2017-02-15 | 上海凯利泰医疗科技股份有限公司 | Bone filler injecting system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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| CX01 | Expiry of patent term |
Granted publication date: 20140730 |