Koto Orthpaedic & Internal Clinic

Percutaneous Trigger Finger Release
A Day Surgery

Patients who have a trigger finger suffer from disfunction and pain in fingers.

They have difficulties flexing or extending the finger : it locks and unlocks,
it pops back suddenly, as if releasing a trigger on a gun.

Since 1970's, trigger finger releases have been done using the open surgery technique which involves invasive methods.
It requires several weeks to heal until relatively normal functions returned.

But percutaneous trigger finger release procedure has none of the disadvantages mentioned above.

There are many benefits of percutaneous triger fingger release procedure including:

Minimally Invasive


Local Anesthetic

Quick, Less Than 3-Minute Surgery

No Stitches Necessary

Drastically Reduced Recoverry Time

A Day Surgery

Much Less Expensive


We give detaled explanations including some videos as follows.

The number of operations

2000     34fingers
2001     21fingers
2002     42fingers
2003     31fingers
2004     43fingers
2005     44fingers
2006     56fingers
2007     48fingers
2008     60fingers
2009     69fingers
2010     45fingers
2011      24fingers
2012      191fingers
2013      240fingers
2014      390fingers

This operation is performed with a very fine, small knife.  

There is no need for stitches

It is possible for patient to take a bath after the operation, if he or she keeps his or her hand dry.


ばね指の手術用具  This operation is performed with a very fine, small knife.  

It is called “Yasunaga-Method Knife”.

This is a special purpose knife for percutaneous triger finger release. 
The operation is performed under local anesthetic.

We use a supecial anesthetic method.

The patient hardly feel any pain when he or she is injected with anesthetic into the wrist.

A patient undergoing the procedure.
The incision is only about 2mm.

So there is no need of stiches .
The cut is dressed. 

The procedure is complete.

Inside the operating room

The operation takes only 3 minutes.

Please watch videos as follows.

On thumb

On middle finger

On ring finger


Confirming release of A1 pulley

After finishing the operation, we confirm release of A1 pulley with ultrasonography.

Please watch the videos as follows.

Pre-Operation  Post-Operation 

Please compare the video of post-operation with the one of pre-operation.


On thumb

On thumb

Just after the operation, the patient can move his finger freely.

How to go about getting the operation

@It is necessary to get a health examination.

Patient who are suffering from diabetes can be easily infected.

So, we will test your blood suger level for your safety.

It takes only a short time.

If you come from abroad,
Please consult us about your coming by E-mail.

AIf conditions are suitable, the operation can be performed.

If you make a reservation, you will be examined in the morning,

and your operation will be performed in the afternoon or evening.

If you come from abroad,
Please consult us about your coming by E-mail.

Operating Fee

About \30,000 (about 400 US dollars) including ultrasonogrph test, and blood test) as of Aplir 2014.

If you have your wound disinfectwded the day after the operation, it will cost about \1,500.


Disinfection:1day〜2days later

It is preferable to come to our clinic to disinfect your wound the day after the operation.

About 2 days after the operation, after confirming that the wound has healed, you will be able to use the finger normally.

And you will be able to do jobs which involve getting the hands wet 3days after the operation.

It is one of the advantages of percutaneous trigger finger release procedure.

If you are suffering from trgger finger, please consult us.

If you come from abroad,
Please consult us about your coming by E-mail.



Contents about percutaneous trigger finger release procedure in Japanese