CN203089287U - Surgical instrument for implanting titanium artificial auditory ossicle - Google Patents
Surgical instrument for implanting titanium artificial auditory ossicle Download PDFInfo
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- CN203089287U CN203089287U CN 201320064436 CN201320064436U CN203089287U CN 203089287 U CN203089287 U CN 203089287U CN 201320064436 CN201320064436 CN 201320064436 CN 201320064436 U CN201320064436 U CN 201320064436U CN 203089287 U CN203089287 U CN 203089287U
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- auditory ossicle
- pliers head
- artificial auditory
- handle
- head
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Abstract
The utility model discloses a surgical instrument for implanting a titanium artificial auditory ossicle. The surgical instrument for implanting the titanium artificial auditory ossicle is of a bending type forceps structure and comprises handles and forceps heads, wherein the handles comprise a left handle and a right handle, the left handle and the right handle are hinged together, and the hinge joint of the left handle and the right handle forms obtuse angle bending. The forceps heads comprise a left forceps head and a right forceps head, at least one of the left forceps head and the right forceps head is of a movable hinged structure, two semicircular half rings are arranged on the left forceps head and the right forceps head respectively, and a circular ring is formed when the left forceps head and the right forceps head are combined together. The surgical instrument for implanting the titanium artificial auditory ossicle is simple and ingenious in structure. Due to the simple bending structure, an operator is allowed to conduct simple operation on the artificial auditory ossicle, the dedicated surgical instrument is provided for implanting the artificial auditory ossicle, the artificial auditory ossicle can be perfectly attached to an otosteon and a tympanic membrane, so that connection between the artificial auditory ossicle and a stirrup is firmer, sound transmission performance is good, stable support of the artificial auditory ossicle is guaranteed, and the fact that a patient obtains stable best hearing for a long time after an operation is guaranteed.
Description
Technical field
This utility model relates to a kind of operating theater instruments that titanium matter artificial auditory ossicle is implanted that is specifically designed to.
Background technology
People's ear hears that sound is divided into conductance and two kinds of approach of bone conduction.Conductance is the main path of normal person's listening, and the amplification of process external auditory meatus, tympanum and ossicular chain passes to the internal ear impression, and bone conduction then directly passes to the internal ear impression through skull.If two auditory meatus mouths of your jam-pack oneself just can be experienced the sound that bone conduction transmits, owing to lacking tympanum and the ossicular chain amplification to sound, the volume of bone conduction is much smaller.
Chronic otitis media and other Middle Ear Diseases usually involve tympanum and or auditory ossicles and conductance is weakened, auditory dysesthesia, we are referred to as transmission deafness.Operative treatment will remove on the basis of pathological changes to patient with good conditionsi repair tympanum and or rebuild ossicular chain, thereby preserve or improve residual hearing.Because the abnormal development of auditory ossicles (partly or entirely disappearance, fusion, fixing) can show as transmission deafness, need the implantable artificial ear bones to rebuild ossicular chain, in the geneogenous middle ear deformity to improve one's hearing.
Normal ossicular chain comprises malleus, incus and stapes; pathological changes tends to corrode a part wherein and ossicular chain is interrupted or maintains static; at this moment usually need to remove remaining or fixed malleus and incus; implantable artificial ear bones on mobilizable head of stapes or base plate, to rebuild the acoustic chain of tympanum to internal ear.
A large amount of otopathy needs of patients is implemented reconstruction of ossicular chain, the artificial ossicle that this just requires a kind of good biocompatibility and can substitute the body osseous tissue.
The patent No. is 200920105621.0, patent name is the Chinese utility model patent of " artificial auditory ossicle ", be 201210342271.6 with the patent No., patent name is the Chinese invention patent of " a kind of artificial auditory ossicle that is used for the treatment of the Combination hearing impairment ", all discloses a kind of artificial auditory ossicle structure.The external titanium matter artificial auditory ossicle of producing also is extensive use of clinically.
As shown in Figure 3, artificial auditory ossicle comprises tympanum link 3-3, stapes link 3-1 and the connecting rod 3-2 that is connected tympanum link and stapes link, described tympanum link is the blunt mushroom head of neighboring circle, be used to contact tympanum, make artificial auditory ossicle less to the pressure that tympanum produces after implantation, be not easy to cause the perforation of ear drum.The stapes link is that the bottom surface opening covers for cup oval, that have four little button feet, fits more with the physiology and appearance of head of stapes, so that stride across tendo musculi stapedius, make artificial auditory ossicle more firm with being connected of stapes, and the acoustic performance is better.Connecting rod connects tympanum link and stapes link in telescopic mode, is convenient to regulate length according to the actual operation needs.
Existing installation and fixedly the operating theater instruments of artificial auditory ossicle to have a kind of be the upper and lower active alligator forceps structure of pliers head, like this, when artificial auditory ossicle is installed, two little button feet of stapes link can only be clamped and four little button feet can not be clamped simultaneously, cause artificial auditory ossicle insecure with being connected of stapes, cause deviating from and being shifted of artificial auditory ossicle easily, thereby influenced postoperative effects on hearing.The artificial auditory ossicle of implanting also may and rock along with the change of head position, causes tinnitus to occur, and causes patient's discomfort.
Thereby, press for a kind of easy to use, operating forceps that can good clamping artificial auditory ossicle in the operation that titanium matter artificial auditory ossicle is implanted.
The utility model content
This utility model technical issues that need to address just are to overcome the defective of prior art, a kind of operating theater instruments that is used for the middle ear implant is provided, it is simple in structure, ingenious, for the implantable artificial ear bones provides special-purpose operating theater instruments, allow operator in art, artificial auditory ossicle to be operated simply, adopt simple bending structure, the active pliers head in the left and right sides, can clamp four little button feet of stapes link simultaneously, make artificial auditory ossicle and auditory ossicles and tympanum ideally paste and, make artificial auditory ossicle more firm, and the acoustic performance is better with being connected of stapes, guarantee the stable support of artificial auditory ossicle, to guarantee that the patient obtains to stablize best audition for a long time after the operation.
For addressing the above problem, this utility model adopts following technical scheme:
This utility model provides a kind of operating theater instruments that titanium matter artificial auditory ossicle is implanted that is specifically designed to, described operating theater instruments is a bending-type pliers structure, comprise handle and pliers head, the top of handle is the pliers head, handle comprises left handle and right handles, be fixedly hinged together between left handle and the right handles, left handle and right handles hinged place form an obtuse angle bending; The pliers head comprises left pliers head and right pliers head; At least one pliers head in left side pliers head and the right pliers head is the structure that is movably hinged, and is respectively arranged with on left pliers head and the right pliers head and forms an annular when semicircle, left pliers head and right pliers head lump together.
Semicircle opening direction on a left side pliers head and the right pliers head be about to opening.
This utility model is simple in structure, ingenious, for the implantable artificial ear bones provides special-purpose operating theater instruments, allow operator in art, artificial auditory ossicle to be operated simply, adopt simple bending structure, the active pliers head in the left and right sides, can clamp four little button feet of stapes link simultaneously, make artificial auditory ossicle and auditory ossicles and tympanum ideally paste and, make artificial auditory ossicle more firm with being connected of stapes, and the acoustic performance is better, guarantee the stable support of artificial auditory ossicle, to guarantee that the patient obtains to stablize best audition for a long time after the operation.
Projecting point of the present utility model forms an annular when being to be respectively arranged with on left pliers head and the right pliers head semicircle, left pliers head and right pliers head and lumping together, and, the semicircle opening direction on left pliers head and the right pliers head be about to opening.
Its advantage is:
1, can well stably clamp the connecting rod of artificial auditory ossicle, can not come off in the process of putting into.
2, the direction of pliers head opening helps putting into of ear bones.
3, can clamp 4 bound feets of artificial auditory ossicle, make artificial auditory ossicle be fixed in head of stapes well.
4, the direction pliers of left and right sides opening meets the angle that operator is manipulated first watch, guarantees the clear observation to surgical field of view.
Description of drawings
Fig. 1 is this utility model structural representation.
Fig. 2-1 and Fig. 2-2 is pliers header structure sketch map described in the utility model,
Wherein, Fig. 2-1 is that a pliers head is the structure that is movably hinged; Fig. 2-2 is that two pliers heads are the structure that is movably hinged.
Fig. 3 is the structural representation of the described artificial auditory ossicle of background technology.
Fig. 4 is the structural representation of pliers clamping artificial auditory ossicle described in the utility model.
The specific embodiment
As shown in Figure 1, this utility model provides a kind of operating theater instruments that is used for the middle ear implant, described operating theater instruments is a bending-type pliers structure, comprise handle 1 and pliers head 2, the top of handle is the pliers head, handle comprises left handle 11 and right handles 12, is fixedly hinged 13 together between left handle and the right handles, and left handle and right handles hinged place form an obtuse angle bending 14; Shown in Fig. 2-1 and Fig. 2-2, the pliers head comprises left pliers head 21 and right pliers head 22; Fig. 2-1 is that a pliers head is the structure that is movably hinged; Fig. 2-2 is that two pliers heads are the structure that is movably hinged.Be respectively arranged with on left side pliers head and the right pliers head and form an annular 25 when a semicircle 23,24, left pliers head and right pliers head lump together.
Shown in Fig. 1, Fig. 2-1 and Fig. 2-2, the semicircle opening direction on left pliers head and the right pliers head be about to opening.
As shown in Figure 4, structural representation for pliers clamping artificial auditory ossicle described in the utility model, this utility model is simple in structure, ingenious, adopt simple bending structure, allow operator in art, artificial auditory ossicle to be operated simply, for the implantable artificial ear bones provides special-purpose operating theater instruments, make artificial auditory ossicle and auditory ossicles and tympanum ideally paste and, make artificial auditory ossicle more firm with being connected of stapes, and the acoustic performance is better, guarantees the stable support of artificial auditory ossicle, to guarantee that the patient obtains to stablize best audition for a long time after the operation.
It should be noted that at last: obviously, the foregoing description only is for this utility model example clearly is described, and is not the qualification to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give exhaustive to all embodiments.And conspicuous variation of being amplified out thus or change still are among the protection domain of the present utility model.
Claims (3)
1. one kind is specifically designed to the operating theater instruments that titanium matter artificial auditory ossicle is implanted, it is characterized in that: described operating theater instruments is a bending-type pliers structure, comprise handle and pliers head, the top of handle is the pliers head, handle comprises left handle and right handles, be fixedly hinged together between left handle and the right handles, left handle and right handles hinged place form an obtuse angle bending; The pliers head comprises left pliers head and right pliers head; At least one pliers head in left side pliers head and the right pliers head is the structure that is movably hinged, and is respectively arranged with on left pliers head and the right pliers head and forms an annular when semicircle, left pliers head and right pliers head lump together.
2. the operating theater instruments that is specifically designed to the implantation of titanium matter artificial auditory ossicle as claimed in claim 1, it is characterized in that: two pliers heads in left pliers head and the right pliers head are the structure that is movably hinged.
3. as claimed in claim 1 or 2ly be specifically designed to the operating theater instruments that titanium matter artificial auditory ossicle is implanted, it is characterized in that: the semicircle opening direction on left pliers head and the right pliers head be about to opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320064436 CN203089287U (en) | 2013-02-05 | 2013-02-05 | Surgical instrument for implanting titanium artificial auditory ossicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320064436 CN203089287U (en) | 2013-02-05 | 2013-02-05 | Surgical instrument for implanting titanium artificial auditory ossicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203089287U true CN203089287U (en) | 2013-07-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320064436 Expired - Fee Related CN203089287U (en) | 2013-02-05 | 2013-02-05 | Surgical instrument for implanting titanium artificial auditory ossicle |
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| Country | Link |
|---|---|
| CN (1) | CN203089287U (en) |
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2013
- 2013-02-05 CN CN 201320064436 patent/CN203089287U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130731 Termination date: 20170205 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |