CN219516404U - Soft tissue fixing assembly for orthopedic surgery - Google Patents
Soft tissue fixing assembly for orthopedic surgery Download PDFInfo
- Publication number
- CN219516404U CN219516404U CN202223134160.4U CN202223134160U CN219516404U CN 219516404 U CN219516404 U CN 219516404U CN 202223134160 U CN202223134160 U CN 202223134160U CN 219516404 U CN219516404 U CN 219516404U
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- China
- Prior art keywords
- handle
- soft tissue
- orthopedic surgery
- connection
- fixation assembly
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- 210000004872 soft tissue Anatomy 0.000 title claims abstract description 26
- 230000000399 orthopedic effect Effects 0.000 title claims abstract description 20
- 238000001356 surgical procedure Methods 0.000 title claims abstract description 19
- 230000002093 peripheral effect Effects 0.000 claims abstract description 7
- 210000000988 bone and bone Anatomy 0.000 claims description 15
- 239000007943 implant Substances 0.000 claims description 10
- 239000002639 bone cement Substances 0.000 claims description 6
- 239000012530 fluid Substances 0.000 claims description 6
- 230000035876 healing Effects 0.000 claims description 6
- 230000001737 promoting effect Effects 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims 4
- 238000010168 coupling process Methods 0.000 claims 4
- 238000005859 coupling reaction Methods 0.000 claims 4
- 230000006978 adaptation Effects 0.000 claims 1
- 238000002347 injection Methods 0.000 abstract description 6
- 239000007924 injection Substances 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 6
- 208000034693 Laceration Diseases 0.000 description 5
- 208000001132 Osteoporosis Diseases 0.000 description 4
- 239000003124 biologic agent Substances 0.000 description 4
- 210000004439 collateral ligament Anatomy 0.000 description 3
- 238000002513 implantation Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000017423 tissue regeneration Effects 0.000 description 2
- 241001653121 Glenoides Species 0.000 description 1
- 208000026137 Soft tissue injury Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 210000003423 ankle Anatomy 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 210000003127 knee Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000000513 rotator cuff Anatomy 0.000 description 1
- 210000002027 skeletal muscle Anatomy 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
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- Prostheses (AREA)
Abstract
The utility model provides a soft tissue fixation assembly for orthopedic surgery, comprising: a holder; assembling an appliance; the peripheral wall of the holder includes at least one through hole; the assembly tool comprises an implanter, an introducer and a pushrod, the implanter comprising a connecting tube body and a handle, a first end of the connecting tube body removably connected to the fixator, a second end of the connecting tube body removably connected to the handle, the introducer extendable from the second end of the connecting tube body into and connected to the fixator when the handle is removed to define a connecting channel communicating with the throughbore; the connecting channel is for receiving the contents, and the push rod is operable to move within the connecting channel to push against the contents within the connecting channel and to cause the contents to flow out of the through hole of the holder. By the technical scheme, the soft tissue fixing component for the orthopedic operation, which can realize the push injection function, can be provided.
Description
Technical Field
The utility model relates to a soft tissue fixation assembly for orthopedic surgery.
Background
Soft tissue repair of musculoskeletal attachments such as ankle collateral ligament lacerations, knee collateral ligament lacerations, elbow collateral ligament lacerations, glenoid labia glenoid lacerations, rotator cuff lacerations, and the like is often required in orthopedic surgery using anchors. When in use, the anchor is implanted into human bone tissue, and then soft tissue suture fixation is carried out through the suture at the tail end of the anchor, so that the soft tissue repair of the musculoskeletal attachment part is realized. In general, patients have strong bone and adequate holding force, but as the population ages, patients with osteoporosis continue to grow. The conditions of soft tissue injury of musculoskeletal attachment part, osteoporosis and even severe osteoporosis are frequently encountered in clinical work, the conditions of the occurrence of the complications are not rare clinically, the bone of an osteoporosis patient is soft and has poor strength, and the traditional anchor is of a solid structure, and the holding force in the soft bone is often insufficient although the anchor is strong. At this time, the anchor is implanted according to the traditional mode, the condition that the anchor is invalid often happens, or the anchor is difficult to fix in the operation, the anchor is not firm, even the anchor is directly pulled out in the suture process, or the condition that the anchor is pulled out in the rehabilitation exercise process after the operation, the potential complication is caused, the function rehabilitation of a patient is influenced, and even the risk of medical disputes occurs.
Chinese patent No. 211484850U of the inventor discloses a hollow porous anchor assembly in which the mechanical structure is reinforced by injecting or infusing the contents (e.g., bone cement or a biologic agent semi-fluid that promotes healing) into cancellous bone through the hollow structure of the anchor. However, the conventional anchor driver is generally of a solid structure, has no push injection function, and cannot be used with hollow anchors.
Disclosure of Invention
The present utility model aims to overcome the above-mentioned drawbacks of the prior art and to provide a soft tissue fixation assembly for orthopedic surgery, comprising:
a holder;
assembling an appliance;
the peripheral wall of the holder includes at least one through hole;
the assembly tool comprises an implanter, an introducer and a pushrod, the implanter comprising a connecting tube body and a handle, a first end of the connecting tube body removably connected to the holder, a second end of the connecting tube body removably connected to the handle; when the handle is connected to the connecting pipe body, the handle can be driven to drive the fixer to rotate through the connecting pipe body so as to implant bone tissue of a patient; when the handle is removed from the connection tube, the introducer can extend into and connect to the holder from the second end of the connection tube to define a connection channel that communicates with the through-hole; the connecting channel is for receiving the contents of bone cement or a healing promoting biologic semi-fluid, and the pushrod is operable to move within the connecting channel to push against the contents within the connecting channel and to cause the contents to flow out of the through bore of the anchor.
In a further preferred embodiment, the implant further comprises a connection joint connected to the second end of the connection tube, the handle comprises a connection interface adapted to connect with the connection joint, the implant further comprises a bayonet, the connection joint further comprises a clamping groove adapted to be connected with the bayonet, and when the connection joint is connected with the connection interface, the bayonet is removably clamped to the clamping groove to fixedly connect the connection tube with the handle.
In a more preferred embodiment, the bayonet lock includes two clamping columns and a connecting column extending between the two clamping columns, the two sides of the connecting joint are respectively provided with the clamping grooves, and when the connecting joint is connected with the connecting interface, the clamping columns are embedded into the handle and the clamping grooves to realize clamping.
In a preferred embodiment, the holder includes a lumen connecting the through holes, the introducer includes an introduction tube, a first end of the introduction tube is connected to and extends into the lumen, and a first end of the push rod is extendable into and movable from a second end of the introduction tube to effect pushing.
In a further preferred embodiment, the introducer further comprises a luer disposed at the second end of the introduction tube.
In a further preferred embodiment, the introducer further comprises an introduction handle attached to the second end of the introduction tube.
In a preferred embodiment, the second end of the push rod is further connected to a push handle.
In a further preferred embodiment, the ingress pipe comprises a main body section and a reduced diameter section, the reduced diameter section having a radial dimension less than the radial dimension of the main body section, the ingress pipe having a first end defining the reduced diameter section and extending into connection to the lumen.
In a more preferred embodiment, the holder is provided with a suture connection structure, the handle is provided with a hanging wire receiving groove, and the suture is respectively wound on the hanging wire receiving groove and the suture connection structure.
In a more preferred embodiment, the first end of the connecting tube body is removably connected to the holder by threads.
Compared with the prior art, the technical scheme of the utility model has the following beneficial effects:
the soft tissue fixation assembly includes a holder and an assembly tool; the peripheral wall of the holder includes at least one through hole; the assembly tool comprises an implanter, an introducer and a pushrod, the implanter comprising a connecting tube body and a handle, a first end of the connecting tube body removably connected to the fixator, a second end of the connecting tube body removably connected to the handle, the introducer extendable from the second end of the connecting tube body into and connected to the fixator when the handle is removed to define a connecting channel communicating with the throughbore; the connecting channel is for receiving the contents, and the push rod is operable to move within the connecting channel to push against the contents within the connecting channel and to cause the contents to flow out of the through hole of the holder. The soft tissue fixation assembly may perform a bolus function on the anchor.
Drawings
FIG. 1 is a schematic perspective view of a fixation and implant connection of a soft tissue fixation assembly in accordance with a preferred embodiment of the present utility model;
FIG. 2 is an exploded perspective view of the connection tube body and the handle of the implant according to the preferred embodiment of the present utility model;
FIG. 3 is a schematic perspective view of an introducer according to a preferred embodiment of the utility model;
FIG. 4 is a schematic perspective view of a putter in accordance with a preferred embodiment of the present utility model;
FIG. 5 is a perspective view of the attachment of the anchor, connector body, introducer and pushrod in a preferred embodiment of the present utility model;
FIG. 6 is an exploded perspective view of the inner and outer tubes of the connecting tube body in the preferred embodiment of the present utility model;
FIG. 7 is a schematic perspective view of a holder according to a preferred embodiment of the present utility model;
FIG. 8 is a schematic cross-sectional view of a holder in accordance with a preferred embodiment of the present utility model;
FIG. 9 is a schematic cross-sectional view of the attachment of the anchor, connector body, introducer and pushrod in accordance with a preferred embodiment of the present utility model.
Detailed Description
The utility model is further described below with reference to the drawings and detailed description.
Certain directional terms used hereinafter to describe the drawings, such as "inner", "outer", "above", "below" and other directional terms, will be understood to have their normal meaning and refer to those directions as they would be when viewing the drawings. Unless otherwise indicated, directional terms described herein are generally in accordance with conventional directions as understood by those skilled in the art.
The terms "first," "second," and the like, as used herein, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another.
Referring to fig. 1-9, a soft tissue fixation assembly 100 for use in orthopedic surgery, the soft tissue fixation assembly 100 comprising a fixation device 1 and an assembly tool, the fixation device 1 comprising a lumen 11 extending axially therethrough, the outer peripheral wall of the fixation device 1 further comprising at least one through hole 12 communicating with the lumen 11, the outer peripheral wall of the fixation device 1 being threaded, the distal end of the fixation device 1 being tapered for facilitating implantation into bone tissue of a patient, the proximal end of the fixation device 1 comprising an inlet to the lumen 11, the proximal end of the fixation device 1 further being provided with a suture connection structure 13, the suture connection structure 13 being adapted to connect sutures.
The assembly instrument comprises an implanter 21, an introducer 22 and a pushrod 23. The implanter 21 comprises a connecting tube 211 and a handle 212, wherein the first end 2111 of the connecting tube is removably connected with the fixer 1, a fine thread is arranged at the proximal end of the fixer 1, the first end 2111 of the connecting tube is provided with a fine screw, the fine thread is screwed on the fine screw and plays a role in fixing the connecting tube 211 and the fixer 1, and when the implanter needs to be taken down, the fixer 1 can be separated only by rotating the connecting tube 211. The second end 2112 of the connecting tube body is removably connected to the handle 212, in this embodiment, the implanter 21 further comprises a connection joint 213 connected to the second end 2112 of the connecting tube body, the handle 212 further comprises a connection interface 2121 adapted to connect to the connection joint 213, the implanter 21 further comprises a clamping pin 214, the connection joint 213 further comprises a clamping groove 2131 capable of being connected to the clamping pin 214, when the connection joint 213 is connected to the connection interface 2121, the clamping pin 214 is removably clamped to the clamping groove 2131 to fixedly connect the connecting tube body 211 and the handle 212, the clamping pin 214 comprises two clamping posts 2141 and a connection post 2142 extending between the two clamping posts 2141, the clamping grooves 2131 are respectively arranged on two sides of the connection joint 213, when the connection joint 213 is connected to the connection interface 2121, the clamping posts 2141 are embedded in the clamping groove 213212 and the clamping groove 2131 to achieve clamping, when the handle 212 is connected to the connection interface 2121, the clamping groove 2121 is opened to allow the clamping body 2122 to pass through the connection joint 2121, and the connection post 2122 is released from the connection joint 213, and the connection post 2122 is easily pulled out of the connection interface 213 and the connection joint 213 is released from the connection interface 213, and the connection post 2122 is pulled out from the connection interface 2122. In the present embodiment, the connection pipe body 211 includes an inner pipe 2113 and an outer pipe 2114, the connection joint 213 is disposed on the outer pipe 2114, the through passage 2115 is disposed in the inner pipe 2113, and the anchor 1 is screw-coupled with the inner pipe 2113.
The introducer 22 is configured to extend from the second end 2112 of the connecting tube body into and connect to the anchor 1 when the handle 212 is removed to define a connecting channel 24 that communicates with the through bore 12. The connecting tube body 211 extends axially along itself with a through channel 2115, the introducer 22 being arranged in the through channel 2115 for connection to the holder 1 to define the connecting channel 24, in this embodiment the introducer 22 comprises an introduction tube 221, the introduction tube 221 extending in the through channel 2115 and having a first end 2211 of the introduction tube extending into the lumen 11, the introducer 22 further comprising a luer 222 provided at a second end 2212 of the introduction tube, the luer 222 being for connection to an instrument for pouring bone cement or a healing promoting biologic agent semi-fluid or the like, the connecting channel 24 being for receiving the content, the push rod 23 being operatively movable in the connecting channel 24 for pushing the content in the connecting channel 24, in this embodiment the first end 231 of the push rod being extendable from the second end 2212 of the introduction tube for pushing the content in the connecting channel 24 into the holder 1 and out of the through hole 12.
The introducer 22 also includes an introduction handle 223 attached to the second end 2212 of the introduction tube. The introduction handle 223 has a generally cylindrical wavy structure with a wavy outer peripheral wall, so that the operator can easily grasp the introduction handle 223 and insert the first end 2211 of the introduction tube into the through-passage 2115. Correspondingly, the second end 232 of the push rod is further connected with a pushing operation handle 233, so that an operator can conveniently grasp the pushing operation handle 233 to push, and a yielding groove 2331 is arranged on the pushing operation handle 233 corresponding to the luer 222 to prevent the pushing operation handle 233 from interfering with the luer 222.
The ingress pipe 221 includes a main body section 2213 and a reduced diameter section 2214, the radial dimension of the reduced diameter section 2214 is smaller than the radial dimension of the main body section 2213, the ingress pipe first end 2211 defines the reduced diameter section 2214 and extends into the inner cavity 11, which can prevent the bone cement or the biological agent semi-fluid for promoting healing from leaking during the injection process.
The handle 212 is provided with a hanging wire receiving groove 2123, and the suture is wound around the hanging wire receiving groove 2123 and the suture connection structure 13, respectively.
In the bone surgery, the medical staff can drive the fixer 1 to rotate through the assembling device to implant into the bone tissue of the patient, the assembling device plays a role similar to a screwdriver, and when the handle 212 is connected to the connecting pipe body 211, the handle 212 can be driven to drive the fixer 1 to rotate through the connecting pipe body 211 to implant into the bone tissue of the patient. When the bone tissue of a patient is soft or has poor strength, the fixator 1 is easy to fall off after operation when being implanted in an orthopedic operation, or the situation that the implantation of the fixator 1 is difficult and the fixation is not firm can occur directly in the orthopedic operation. The through hole 12 of the fixer 1 is connected with the outside and forms a connecting channel 24 with the introducer 22, and bone cement or biological agent semi-fluid for promoting healing in the connecting channel 24 can be pushed into the space between the bone tissue of the patient and the fixer 1 by two pushing injection modes to ensure that the connection between the fixer 1 and the bone tissue of the patient is firmer. The suture connection structure 13 of the fixator 1 may be used for soft tissue suture repair of skeletal muscle in bone surgery.
In use, the soft tissue fixation assembly 100 has two bolus methods:
the first bolus injection method: after the handle 212 is removed, the connecting channel 24 of the introducer 22 is pre-filled with contents and the introducer 22 and pushrod 23 in combination can be used as a syringe barrel. The leading tube 221 of the leading tube 22 is filled with the content by sucking or pouring the content through the second end 2212 of the leading tube, the pushing rod 23 is inserted into the leading tube 22 for a small section to keep stable, the content overflows from the first end 2211 of the leading tube to indicate that the leading tube 22 is filled with the content, then the leading tube 22 and the pushing rod 23 are integrally extended from the second end 2112 of the connecting tube body, and the pushing rod 23 moves, presses and finishes pouring.
The second bolus injection method: after the handle 212 is removed, the hollow introduction tube 221 is inserted into the connection tube body 211, the luer 222 of the second end 2212 of the introduction tube is connected to a syringe or a high-pressure pouring device, the contents are pushed in by pressurization, the syringe or the high-pressure pouring device is removed, the push rod 23 is inserted from the second end 2212 of the introduction tube again, and the residual contents in the connection passage 24 are pushed in.
The foregoing is only a preferred embodiment of the present utility model, but the design concept of the present utility model is not limited thereto, and any person skilled in the art will be able to make insubstantial modifications of the present utility model within the scope of the present utility model disclosed herein by this concept, which falls within the actions of invading the protection scope of the present utility model.
Claims (10)
1. A soft tissue fixation assembly for use in orthopedic surgery, comprising:
a holder;
assembling an appliance;
the peripheral wall of the holder includes at least one through hole;
the assembly tool comprises an implanter, an introducer and a pushrod, the implanter comprising a connecting tube body and a handle, a first end of the connecting tube body removably connected to the holder, a second end of the connecting tube body removably connected to the handle; when the handle is connected to the connecting pipe body, the handle can be driven to drive the fixer to rotate through the connecting pipe body so as to implant bone tissue of a patient; when the handle is removed from the connection tube, the introducer can extend into and connect to the holder from the second end of the connection tube to define a connection channel that communicates with the through-hole; the connecting channel is for receiving the contents of bone cement or a healing promoting biologic semi-fluid, and the pushrod is operable to move within the connecting channel to push against the contents within the connecting channel and to cause the contents to flow out of the through bore of the anchor.
2. A soft tissue fixation assembly for use in orthopedic surgery as claimed in claim 1, wherein: the implant still includes the union coupling of connecting the second end of connecting the body, the handle includes the adaptation and connects the union coupling's connection interface, the implant still includes the bayonet lock, the union coupling still includes the draw-in groove that can correspond to be connected with the bayonet lock, works as the union coupling with the connection interface is connected, the bayonet lock removably joint to the draw-in groove is with fixed connection connecting the body and handle.
3. A soft tissue fixation assembly for use in orthopedic surgery as claimed in claim 2, wherein: the bayonet lock includes two draw-in columns and extends and connect the spliced pole between two draw-in columns, the both sides of attach fitting are provided with respectively the draw-in groove, when attach fitting and connection interface connection, the draw-in column embedding the handle with the draw-in groove is in order to realize the joint.
4. A soft tissue fixation assembly for use in orthopedic surgery as claimed in claim 1, wherein: the retainer includes an inner cavity connected to the through hole, the introducer includes an introduction tube, a first end of the introduction tube is connected to and extends into the inner cavity, and a first end of the push rod can extend into and move from a second end of the introduction tube to realize pushing.
5. A soft tissue fixation assembly for use in orthopedic surgery as claimed in claim 4, wherein: the introducer also includes a luer disposed at the second end of the introduction tube.
6. A soft tissue fixation assembly for use in orthopedic surgery as claimed in claim 4, wherein: the introducer also includes an introduction handle coupled to the second end of the introduction tube.
7. A soft tissue fixation assembly for use in orthopedic surgery as claimed in claim 4, wherein: the second end of the push rod is also connected with a pushing operation handle.
8. A soft tissue fixation assembly for use in orthopedic surgery as claimed in claim 4, wherein: the ingress pipe comprises a main body section and a radial shrinkage section, the radial dimension of the radial shrinkage section is smaller than that of the main body section, and the first end of the ingress pipe is used for limiting the radial shrinkage section and extending into and connecting with the inner cavity.
9. A soft tissue fixation assembly for use in orthopedic surgery as claimed in claim 1, wherein: suture connection structure has been arranged to the fixer, the handle has been arranged and has been hung the line and accomodate the groove, and the suture is the wiring and accomodate groove and suture connection structure respectively.
10. A soft tissue fixation assembly for use in orthopedic surgery as claimed in claim 1, wherein: the first end of the connection tube body is removably connected with the holder by threads.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122999183 | 2021-11-30 | ||
| CN2021229991830 | 2021-11-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219516404U true CN219516404U (en) | 2023-08-15 |
Family
ID=87650976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223134160.4U Active CN219516404U (en) | 2021-11-30 | 2022-11-22 | Soft tissue fixing assembly for orthopedic surgery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219516404U (en) |
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2022
- 2022-11-22 CN CN202223134160.4U patent/CN219516404U/en active Active
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