CN202637005U - Medical maxilla operation drag hook - Google Patents
Medical maxilla operation drag hook Download PDFInfo
- Publication number
- CN202637005U CN202637005U CN2012202155874U CN201220215587U CN202637005U CN 202637005 U CN202637005 U CN 202637005U CN 2012202155874 U CN2012202155874 U CN 2012202155874U CN 201220215587 U CN201220215587 U CN 201220215587U CN 202637005 U CN202637005 U CN 202637005U
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- CN
- China
- Prior art keywords
- hook
- medical
- neck
- drag hook
- gib head
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- Expired - Fee Related
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Abstract
The utility model discloses a medical maxilla operation drag hook comprising a hook head, a hook stem, a handle and a middle connector. The front part of the hook stem is smoothly bent inwards for 90 degrees; the hook head is of a sheet structure, the rear lateral side of the hook head is connected with the front end face of the hook stem; the front lateral side of the hook head comprises an inward concave part for steadily fixing the hook head on the nasal crest in a maxilla osteotomy, so that the whole drag hook cannot slide in the operation process; and the hook head inclines outwards so as to maximally expose an operation region and protect the surrounding tissues, so that unexpected injury to the mucosa of nasal cavity, sclerotin and even the trachea cannula caused by the operative instruments can be reduced greatly. The back end face of the hook stem and the handle both are connected with the middle connector. Two lateral sides at the front part of the hook stem are bent inwards to form arc-shaped lateral wings, so that the mucosa of nasal cavity can be protected better. The medical maxilla operation drag hook conforms to the maxilla and nasal cavity physiological anatomical structures, is integrally designed compactly, and is simple to make, convenient to use, comfortable to operate and artistic; and the skin tissue of a patient cannot feel uncomfortable.
Description
Technical field
This utility model relates to medical instruments field, specifically, is a kind of drag hook for carrying out the model of human maxilla operation.
Background technology
Relate in the maxillary osteotomy process at hospital's craniomaxillofacial surgery or Oral and Maxillofacial Surgery, for example in the front part osteotomy of the Lefort I type osteotomy of upper jaw bone or the upper jaw, often need patient or assistant that upper jaw bone nasal cavity side is appeared clear, so that the operation of medical apparatus and instruments, and then the application dynamical system, utilize round bur, split and bore or reflex saw, swing saw carry out osteotomy or the operation of mill bone.Owing to connect nasal membrane on this position, because anesthesia needs, tracheal intubation is positioned at the nasal cavity of a side simultaneously.So in osteotomy, need the more loaded down with trivial details method of assistance application that the art district is exposed; What is more before the upper jaw in part osteotomy; often there is not special apparatus; whole nasal membrane can't be pulled open protection; exposure can't be known in the visual area; the doctor only is that blind looking down with feel carried out osteotomy by rule of thumb; usually cause hemorrhage manyly, the organizational structure around the damage has affected the process of operation simultaneously.And in the drag hook of at present clinical middle existence, can stablize without a kind of drag hook and to be fixed on this bone ridge.
The utility model content
The purpose of this utility model is to overcome deficiency and the defective of existing clinical medical drag hook.Can be stably fixed on the bone ridge behind the upper jaw bone nasal cavity face osteotomy, for looking at lower osteotomy space for the creativity straight, can well protect nasal membrane and tissue on every side simultaneously, the appearing and protect of particularly suitable upper jaw bone bone-culting operation nasal cavity face.
The medical maxillary osteotomy drag hook of this utility model comprises gib head, the neck of hook, handle and intermediate connector.
The integrative-structure of the neck of hook for being consisted of by rear portion connecting rod and anterior laminated structure; Wherein, rear portion connecting rod rear end face is circular, is laminated structure by cylindrical transition gradually by the connecting rod rear end to front end, and the connecting rod front end engages with anterior laminated structure rear end.And anterior laminated structure is relative and 90 ° of neck of hook front part sides of connecting rod inflexion limit, rear portion bends to arc to the inside, forms the arc flank; Neck of hook rear portion end face and handle all link to each other with intermediate connector; Handle middle part hollow out.
Gib head is laminated structure, and the back side edge of gib head links to each other with neck of hook front end face; Gib head is outward-dipping, and gib head front side edge place has the recessed of introversion.
When carrying out Jaw Bone Operation, can by the gib head front side recessed with the drag hook stable position on upper jaw bone nasal cavity side seam ridge, make that the neck of hook is anterior inboard fits with nasal membrane, by on the handle of raising one's hand, thin-skinned the organizing rearward of nasal cavity pulled open in neck of hook front portion.
The utility model has the advantage of:
1, the medical upper jaw bone drag hook of this utility model can be stablized and is fixed on the upper jaw bone osteotomy posterula facial bone ridge, simultaneously nasal membrane etc. can be organized the rear of protecting fully at drag hook, make the clinicist realize that direct-view is lower, safety operation, look the operation that is reduced to by rule of thumb simple direct-view standard with the operation of feel with blind, reduced operating difficulty, improved operation efficient, operating time and intraoperative hemorrhage have been reduced, unexpected damage nose and upper palatine mucosa in the operation have been reduced simultaneously, the risk of sclerotin even anesthetic intubate around the apertura piriformis;
2, the medical maxillary osteotomy drag hook of this utility model is applicable to all and relates in the upper jaw bone osteotomy, needs to expose and the hands art of the organizational structure that protection nasal cavity face exists;
3, the medical maxillary osteotomy drag hook design of this utility model meets upper jaw bone, the physiology of the nose anatomical structure, and global design is compact, makes simply, and easy to use, the operation Comfortable attractive, the patient skin tissue is without sense of discomfort.
Description of drawings
Fig. 1 is the medical maxillary osteotomy drag hook of this utility model overall structure schematic perspective view;
Fig. 2 is the medical maxillary osteotomy drag hook of this utility model overall structure schematic side view;
Fig. 3 is the anterior cross sectional representation of the neck of hook in the medical maxillary osteotomy drag hook of this utility model;
Fig. 4 is the medical maxillary osteotomy drag hook of this utility model practical manner sketch map.
Among the figure:
The recessed 201-arc of 1-gib head 2-neck of hook 3-handle 4-intermediate connector 101-flank
The specific embodiment
A kind of medical maxillary osteotomy drag hook of this utility model is the integrative-structure that is made of gib head 1, the neck of hook 2, handle 3 and intermediate connector 4, as shown in Figure 1; Gib head 1 links to each other with the neck of hook 2, and the neck of hook 2 links to each other by intermediate connector 4 with handle 3.Gib head 1, the neck of hook 2, handle 3 with concrete structure and the connected mode of intermediate connector 4 are:
The integrative-structure of the neck of hook 2 for being consisted of by rear portion connecting rod and anterior laminated structure; Wherein, rear portion connecting rod rear end face is circular, as shown in Figure 2, is laminated structure by cylindrical transition gradually by connecting rod rear end, rear portion to front end, and rear portion connecting rod front end engages with anterior laminated structure is round and smooth; And to round and smooth 90-degree bent, make and form 90 ° of angles between the neck of hook 2 front portions and rear portion in the connecting rod of the relative rear portion of anterior laminated structure.The neck of hook 2 front part sides limits bend to arc to the inside, are 30 ° arc flank 201 thus at the neck of hook 2 front part sides formation radian θ, as shown in Figure 3; And adopt continuously excessive mode between two arc flanks 201 and the neck of hook 2 rear portions, as shown in Figure 2.
Described gib head 1 is laminated structure, and the back side edge of gib head 1 engages with the neck of hook 2 front end face and forms one, and the interplane neck of hook partial width of two curved side equates with gib head 1 back side edge in the neck of hook 2.Gib head 1 is outward-dipping, and forms 145 ° of angle Ф between the neck of hook.Gib head 1 front side edge place also has introversive recessed 101, recessed 101 one-tenth " V " type structures,
The described neck of hook 2 rear portion end faces and handle 3 all engage with intermediate connector 4 and form one, make the joint of the neck of hook 2 and intermediate connector 4, relative with the joint of intermediate connector 4 with handle 3, form thus the overall structure of this drag hook, and the drag hook integral surface is smoothly smoothly curved surface, without rigid turnover and sharpened edge.User can hold by 3 pairs of drag hooks of handle; Design handle 3 middle parts are engraved structure in this utility model, and intermediate connector 4 is designed to circular ring structure, can make thus user prevent effectively that in holding the drag hook process drag hook from dropping damage, also can alleviate the drag hook quality simultaneously, save cost.
When adopting this utility model Jaw Bone Operation drag hook to carry out Jaw Bone Operation, can by gib head 1 front side recessed 101 with the drag hook stable position on upper jaw bone nasal cavity side seam ridge, can not make drag hook to be produced slide.The neck of hook 2 anterior inboard and nasal membrane applyings; by on the handle 3 of raising one's hand, thin-skinned the organizing rearward of nasal cavity pulled open in the neck of hook 2 front portions, and can protect nasal membrane by the arc flank of the neck of hook 2 front part sides; nasal membrane is not being damaged, as shown in Figure 4 by dynamical systems such as abrading-balls.And by gib head 1 outward-dipping design, can farthest expose field of operation and protection surrounding tissue, make operation operation under direct-view greatly reduce operating theater instruments to nasal membrane, the accidental injury of sclerotin and even tracheal intubation.
Claims (10)
1. a medical maxillary osteotomy drag hook is characterized in that: comprise gib head, the neck of hook, handle and intermediate connector;
The integrative-structure of the neck of hook for being consisted of by rear portion connecting rod and anterior laminated structure; Wherein, the connecting rod front end engages with anterior laminated structure rear end; And anterior laminated structure relatively and 90 ° of rear portion connecting rod inflexions; Neck of hook front part sides limit bends to arc to the inside, forms the arc flank; Neck of hook rear portion end face and handle all link to each other with intermediate connector;
Gib head is laminated structure, and the back side edge of gib head links to each other with neck of hook front end face; Gib head is outward-dipping, and gib head front side edge place has the recessed of introversion.
2. a kind of medical maxillary osteotomy drag hook as claimed in claim 1, it is characterized in that: the radian of described arc flank is 30 °.
3. a kind of medical maxillary osteotomy drag hook as claimed in claim 1 is characterized in that: adopt continuously excessively mode between described arc flank and neck of hook rear portion.
4. a kind of medical maxillary osteotomy drag hook as claimed in claim 1, it is characterized in that: the interplane neck of hook partial width of described two curved side equates with the gib head back side edge.
5. a kind of medical maxillary osteotomy drag hook as claimed in claim 1, it is characterized in that: angle is 145 ° between described gib head and the neck of hook.
6. a kind of medical maxillary osteotomy drag hook as claimed in claim 1 is characterized in that: described recessed " V " type that is.
7. a kind of medical maxillary osteotomy drag hook as claimed in claim 1 is characterized in that: the junction of the described neck of hook and intermediate connector, and relative with the junction of handle and intermediate connector.
8. a kind of medical maxillary osteotomy drag hook as claimed in claim 1 is characterized in that: described handle middle part hollow out.
9. a kind of medical maxillary osteotomy drag hook as claimed in claim 1, it is characterized in that: described intermediate connector is circular ring structure.
10. a kind of medical maxillary osteotomy drag hook as claimed in claim 1, it is characterized in that: described gib head, the neck of hook, handle and intermediate connector surface are smoothly smoothly curved surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202155874U CN202637005U (en) | 2012-05-14 | 2012-05-14 | Medical maxilla operation drag hook |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202155874U CN202637005U (en) | 2012-05-14 | 2012-05-14 | Medical maxilla operation drag hook |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202637005U true CN202637005U (en) | 2013-01-02 |
Family
ID=47406197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012202155874U Expired - Fee Related CN202637005U (en) | 2012-05-14 | 2012-05-14 | Medical maxilla operation drag hook |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202637005U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106308858A (en) * | 2016-08-12 | 2017-01-11 | 李沫 | Novel anterior cervical operation pull hook |
-
2012
- 2012-05-14 CN CN2012202155874U patent/CN202637005U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106308858A (en) * | 2016-08-12 | 2017-01-11 | 李沫 | Novel anterior cervical operation pull hook |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130102 Termination date: 20140514 |