CN218075128U - Medical bone drill convenient for injecting physiological saline - Google Patents
Medical bone drill convenient for injecting physiological saline Download PDFInfo
- Publication number
- CN218075128U CN218075128U CN202221644816.4U CN202221644816U CN218075128U CN 218075128 U CN218075128 U CN 218075128U CN 202221644816 U CN202221644816 U CN 202221644816U CN 218075128 U CN218075128 U CN 218075128U
- Authority
- CN
- China
- Prior art keywords
- water injection
- drill
- rotary drum
- drilling rod
- wall
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Surgical Instruments (AREA)
Abstract
The application discloses medical bone drill convenient to pour into normal saline into, include the drill bit that up connects gradually down, the drilling rod, limiting flange and spline, the concave water injection chamber that is equipped with in drill bit bottom, the cover is equipped with the rotary drum on the drilling rod, the upper and lower both ends of rotary drum are passed through sealed bearing and are connected with the drilling rod rotation, the concave inlet opening that is equipped with and feeds through in water injection chamber on the drilling rod outer wall, the centre gripping has the annular chamber between the inner wall of two sealed bearings and rotary drum and the outer wall of drilling rod, the concave through-hole that is equipped with and annular chamber intercommunication on the outer wall of rotary drum, through-hole and water injection union coupling. This medical bone drill passes through the structure cooperation, makes the rotary drum rotate with the drilling rod through sealed bearing and is connected, and normal saline pours into the annular chamber into along water injection pipe and through-hole, and the normal saline rethread inlet opening that pours into the intracavity pours into normal saline into in the water injection intracavity, at the in-process of wholly pouring into normal saline, need not carry out spline and drive arrangement's disconnect, and the drill bit bores the in-process and can the water injection, avoids the dismouting, makes things convenient for more high-efficient, the operation of being convenient for.
Description
Technical Field
The application relates to the field of medical bone drills, in particular to a medical bone drill convenient for injecting physiological saline.
Background
The existing bone drills are all forward screw teeth, drilled bone powder is discharged out of the body, self bone powder waste is caused, when the dental implant is implanted, normal saline needs to be injected between a bone and a sinus membrane, dou Modi is lifted, the bone powder is conveniently filled in, the normal saline needs to be injected by a Kong Zaiyong injector in the traditional mode, the operation is troublesome, and surgical instruments need to be replaced for many times.
Among the prior art, the utility model patent of patent number CN211834777U discloses reverse bone drill, and it can follow in the through-hole in the middle of to injecting into normal saline between sinus membrane and the bone, promotes the sinus membrane to conveniently fill the bone meal, with the apparatus integration together, need not frequently change medical instrument, shorten operation time, reverse threaded drill bit can be with autologous bone meal extrusion between sinus membrane and the bone, avoid extravagant, practice thrift the operation cost.
However, in the operation process, the spline and the driving device are required to be continuously disassembled and assembled in the two steps of drilling and brine injection, which is complex and not beneficial to operation.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a medical bone drill convenient to pour into normal saline into to overcome not enough among the prior art.
In order to achieve the above object, the utility model provides a following technical scheme:
the embodiment of the application discloses medical bone drill convenient to pour into normal saline into, include drill bit, drilling rod, spacing flange and the spline that up connects gradually down, its characterized in that: the water injection drill is characterized in that a water injection cavity is concavely arranged at the bottom end of the drill bit, a rotary drum is sleeved on the drill rod, the upper end and the lower end of the rotary drum are rotatably connected with the drill rod through sealing bearings, water inlet holes communicated with the water injection cavity are concavely arranged on the outer wall of the drill rod between the two sealing bearings, annular cavities are clamped between the two sealing bearings and the inner wall of the rotary drum and the outer wall of the drill rod, through holes communicated with the annular cavities are concavely arranged on the outer wall of the rotary drum, and one ends of the through holes deviating from the annular cavities are connected with water injection pipes.
Preferably, in the medical bone drill for conveniently injecting the physiological saline, the injection tube is a hard tube.
Preferably, in the medical bone drill for conveniently injecting the physiological saline, the injection tube is shaped like an "L".
Preferably, in the medical bone drill convenient for injecting the physiological saline, the drill bit, the drill rod, the limiting flange and the spline are of an integrated structure.
Preferably, in the medical bone drill convenient for injecting the physiological saline, a limiting groove is concavely arranged on the surface of the limiting flange.
Compared with the prior art, the utility model has the advantages of:
this medical bone drill passes through the structure cooperation, makes the rotary drum rotate with the drilling rod through sealed bearing and is connected, and normal saline pours into the annular chamber into along water injection pipe and through-hole, and the normal saline rethread inlet opening that pours into the intracavity pours into normal saline into in the water injection intracavity, at the in-process of wholly pouring into normal saline, need not carry out spline and drive arrangement's disconnect, and the drill bit bores the in-process and can the water injection, avoids the dismouting, makes things convenient for more high-efficient, the operation of being convenient for.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present application, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.
Fig. 1 is a schematic structural view of a medical bone drill convenient for injecting physiological saline in the embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described in detail below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Refer to fig. 1, medical bone drill convenient to pour into normal saline into in this embodiment, include the drill bit 1 that up connects gradually from down, the drilling rod 2, limit flange 3 and spline 4, 1 concave water injection chamber 5 that is equipped with in drill bit bottom, the cover is equipped with rotary drum 6 on the drilling rod 2, sealed bearing 7 is passed through at the upper and lower both ends of rotary drum 6 and drilling rod 2 rotate to be connected, the concave inlet opening 8 that communicates with water injection chamber 5 that is equipped with on the drilling rod 2 outer wall between two sealed bearing 7, centre gripping has annular chamber 9 between the inner wall of two sealed bearing 7 and rotary drum and the outer wall of drilling rod 2, the concave through-hole 10 that communicates with annular chamber 9 that is equipped with on the outer wall of rotary drum 6, the one end that through-hole 10 deviates from annular chamber 9 is connected with water injection pipe 11.
Further, the water injection pipe 11 is a hard pipe.
Further, the water injection pipe 11 is in an L shape.
Furthermore, the drill bit 1, the drill rod 2, the limiting flange 3 and the spline 4 are of an integral structure.
Further, the surface of the limit flange 3 is concavely provided with a limit groove 301.
In this technical scheme, this medical bone drill passes through the structure cooperation, makes the rotary drum rotate with the drilling rod through sealed bearing and is connected, and normal saline pours into the annular chamber along water injection pipe and through-hole into, and the normal saline rethread inlet opening that pours into the intracavity gets into the water injection intracavity and pours into normal saline, at the in-process of whole injection normal saline, need not carry out spline and drive arrangement's disconnect, and the drill bit bores the in-process and can the water injection, avoids the dismouting, and convenient high efficiency more is convenient for operate.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.
The foregoing is merely a detailed description of the present application, and it should be noted that modifications and embellishments could be made by those skilled in the art without departing from the principle of the present application, and these should also be considered as the protection scope of the present application.
Claims (5)
1. The utility model provides a medical bone drill convenient to pour into normal saline into, includes drill bit, drilling rod, limit flange and the spline that up connects gradually from the bottom, its characterized in that: the water injection drill is characterized in that a water injection cavity is concavely arranged at the bottom end of the drill bit, a rotary drum is sleeved on the drill rod, the upper end and the lower end of the rotary drum are rotationally connected with the drill rod through sealing bearings, a water inlet communicated with the water injection cavity is concavely arranged on the outer wall of the drill rod between the two sealing bearings, an annular cavity is clamped between the two sealing bearings and the inner wall of the rotary drum and between the two sealing bearings and the outer wall of the drill rod, a through hole communicated with the annular cavity is concavely arranged on the outer wall of the rotary drum, and one end of the through hole, which deviates from the annular cavity, is connected with a water injection pipe.
2. The medical bone drill for facilitating the injection of physiological saline according to claim 1, wherein: the water injection pipe is a hard pipe.
3. The medical bone drill for facilitating the injection of physiological saline according to claim 2, wherein: the water injection pipe is L-shaped.
4. The medical bone drill for facilitating the injection of physiological saline according to claim 1, wherein: the drill bit, the drill rod, the limiting flange and the spline are of an integrated structure.
5. The medical bone drill for facilitating the injection of physiological saline according to claim 1, wherein: and the surface of the limiting flange is concavely provided with a limiting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221644816.4U CN218075128U (en) | 2022-06-29 | 2022-06-29 | Medical bone drill convenient for injecting physiological saline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221644816.4U CN218075128U (en) | 2022-06-29 | 2022-06-29 | Medical bone drill convenient for injecting physiological saline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218075128U true CN218075128U (en) | 2022-12-20 |
Family
ID=84478309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221644816.4U Active CN218075128U (en) | 2022-06-29 | 2022-06-29 | Medical bone drill convenient for injecting physiological saline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218075128U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116999116A (en) * | 2023-03-14 | 2023-11-07 | 首都医科大学附属北京天坛医院 | Minimally invasive bone marrow injection and sampling device through skull |
-
2022
- 2022-06-29 CN CN202221644816.4U patent/CN218075128U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116999116A (en) * | 2023-03-14 | 2023-11-07 | 首都医科大学附属北京天坛医院 | Minimally invasive bone marrow injection and sampling device through skull |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN218075128U (en) | Medical bone drill convenient for injecting physiological saline | |
| US20090004621A1 (en) | Endodontic Irrigation System | |
| CN207332770U (en) | A kind of Spiral digging machine screw extrusion is into drill | |
| CN207110973U (en) | A kind of drill bit for Spiral digging machine | |
| CN217987739U (en) | Disposable root canal flushing needle | |
| CN210016895U (en) | Seeding device for agriculture | |
| CN207979794U (en) | Planting body acid etching fitting device | |
| CN214102226U (en) | Fertilizer applying device | |
| CN210354996U (en) | Clinical bone grafting device of orthopedics | |
| CN210992536U (en) | Anti-reflux anal tube | |
| CN205459131U (en) | Supplementary root canal flushing's device | |
| CN206777563U (en) | A kind of urethral catheterization pipe connection | |
| CN208160824U (en) | A kind of defecography Special injector | |
| CN215651815U (en) | Swallowing training appliance | |
| CN211094867U (en) | Drilling tool for dental implant | |
| CN211834777U (en) | Reverse bone drill | |
| CN205947873U (en) | Disposable oral cavity root canal flusher | |
| CN206934196U (en) | Sinus floor mucous membrane hydraulic lifting method tucker | |
| CN205948114U (en) | Gum fistula washes needle | |
| CN220833166U (en) | Drilling device convenient for denture implant installation | |
| CN213312340U (en) | Novel intestinal tract flusher | |
| CN215960414U (en) | Oral saliva aspirator | |
| CN210301262U (en) | Oral cavity root canal expanding needle | |
| CN217366849U (en) | Asymmetric flat-mouth-shaped suction tube | |
| CN213190202U (en) | Instrument drill bit of usefulness is planted in oral cavity |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |