Usual Manual of Basic Surgical Table Neurosurgical Head Holders Skull Clamp

OPERATION SKULL CLAMP INSTRUCTION MANUAL

Ⅰ.Brief introduction:

Cerebral tumors, intracranial aneurysms and cerebrovascular malformations are the common brain/skull disease symptom. The main treatment adopts operative treatment. The brain operation must fix position to facilitate the operation, so that the exposed field of vision. During the operation, if skull is not firmly fixed during the operation, it will affect the doctor's surgical operation and treatment effect. During the operation, patients with comfort and good posture is also an important condition for narcotic and the purposes of operation, so the fixtures of Operation Skull Clamp are good or not ,which has a great influence on the operations.

Ⅱ.Function and usage:

This set rack is a kind of specialized equipment, which matches with the brain/skull operation. This Operation Skull Clamp can adjust at will according to the need for operations, which can be back and forth, swing from side to side, up and down movements. It also can achieve the best in the first place and position, which facilitate the operation and management of anesthesia for operation and play a reliable guarantee Role. It is an ideal tool for neurosurgery.

Ⅲ.Technical data:

    Back and forth range: 350 mm
Sinistrodextral (swing from side to side) range: 400 mm
Up and down movement range: 350 mm
Rotational tilt angle: ≧75 °
Installation distance between centers adjustment range: 190 ～590 mm

Ⅳ.Structure and performance:

1. One complete Set of instrument is composed of the base, skull fixture rack and U-Shaped head bracket. They can be assembled at will according to operation needs.
2. Instrument adopts crank-link structure, and locking adopts lever handle fasten, which are safe and reliable.
3. One complete Set of instrument with reasonable design, compact overall structure, small cubage, which increased the scope of operation activities and reduced the doctor's physical.
4. Easy to install and adjust, which reduces the time of preoperative preparation.

Ⅴ.How to install and use:

1．HDJ Type operation skull clamp installation steps（with installation schematic diagram）：

a. Screw off the two nuts "6" on the top of axis "3" , install adjustable arm "4" on the axis "3", and install two steady supports "2" on axis "3" according to schematic diagram, and then tighten nuts"6" on both ends of the axis;
     b. Insert two pins "1" into the holes of two steady supports "2", tighten the screws on the supports ,and adjust the instrument supports”2”distance between centers on axis "3" according to the distance of operation table coupling hole, and then insert the two pins "1" into above coupling hole, and last fix and lock the stupports”2” well with special wrench.

c. Install adjustable crank "8" according to schematic drawing shape, and adjust in accordance with good location according to the operation needs, then press and lock adjustable arm fasten-handle"7”.
     d. After tighten locking screw "10" on universal regulator "11”, install according to the drawing, and then tighten screws of swing Back and forth"9";
     e. Install skull fixture rack "13" as drawing, tighten fasten screw of skull fixture rack "12" and then fastening the nail jacking handwheel "16" and nail rack rotation fixed-hand wheel "14", last install three nails (nail "15") as drawing.

f. If you want to use head bracket, as long as you unload skull fixture rack "13",then install the head bracket”17”,that is ok.

2．How to use operation skull clamp.

a. Release adjustable arm fasten-handle "7" to adjust back and forth, left to right, up and down to be the best position, then press again ,that is ok. If you press handle "7" is not locked tight, as long as you tight adjustable nut "5" at top of adjustable arm "4”.

b. Release universal regulator locking screw "10", you can turn the position of skull fixture rack "13", and then choose the best position according to the needs of operation.
C. release nail rack rotation fixed-handwheel "14", you can turn nail rack 360 ° at will according to the operation’s need, spin nail jacking handwheel "16"  until tighten skull.

Ⅵ.Precaution:

1. Before operation, please pay attention to the connection of Operation Skull Clamp between operation table is firmly or not, all the installations of Operation Skull Clamp parts are reliable or not, all locking devices are tighten well or not;
2. Operation Skull Clamp and nails should be sterilized before operation, Sterilization methods can adopt high-temperature, high pressure disinfection.
3. After operation, Operation Skull Clamp should be cleaned thoroughly, so as to avoid the dirt in joint affecting using effect.

4. Pay more attention during using Operation Skull Clamp, transportation, installation to prevent collision to prolong lifespan and performance.