For men whose erectile dysfunction has not responded to other treatments, a penile implant can restore the ability to have an erection. The two main types of penile implants, inflatable and malleable, work in different ways and suit different men. Understanding how each one functions is the first step toward a productive conversation with your urologist about which option fits your goals, particularly if you have struggled with trouble keeping an erection.
What Is A Penile Implant?
A penile implant, also called a penile prosthesis, is a device placed inside the penis during surgery to create an erection firm enough for intercourse. It is a treatment option for erectile dysfunction rather than a first step. The two devices share the same goal, so it helps to first understand how a penile implant works and what a penile implant is designed to do before comparing the types.
When Is A Penile Implant Considered?
A penile implant is usually considered after other approaches have been tried. Many men move toward penile prosthesis surgery when oral medications, injections, or other treatment options for erectile dysfunction have not delivered satisfactory results, or when those options are not a good fit. Because the surgery changes the natural erectile tissue, it is a decision made carefully with a urologist who has evaluated your health and discussed your goals. Recognizing the symptoms of erectile dysfunction and when to see a doctor helps you understand where an implant fits among the treatment options.
The Two Main Types Of Penile Implants
Penile implants fall into two broad categories: inflatable devices and malleable, or semi-rigid, devices. Both are concealed entirely within the body, and both are designed to let a man have an erection when he wants one. The difference lies in how each device creates and maintains firmness.
Inflatable Penile Implants
An inflatable penile prosthesis uses fluid to create an erection on demand. The most common design includes two cylinders placed inside the penis, a small pump positioned in the scrotum, and, in the three-piece version, a fluid reservoir. To produce an erection, a man gently squeezes the pump, which moves fluid into the cylinders. Afterward, a release valve returns the fluid to its holding space and the penis becomes flaccid again. Because the result more closely resembles a natural erection and a natural resting state, inflatable devices are the type many men ask about first. They also contain more internal components than a malleable implant.
Malleable (Semi-Rigid) Penile Implants
A malleable penile implant, sometimes called a semi-rigid implant, uses two bendable rods placed inside the penis. The penis stays firm at all times, and the man simply positions it upward for intercourse and downward the rest of the time. There is no pump and no fluid. This simpler design means fewer working parts and makes the device generally easier to operate, which can matter for men with limited hand strength or dexterity. The trade-off is that the penis remains firm rather than shifting between erect and flaccid states.
Inflatable Vs. Malleable: How They Compare
When men weigh inflatable vs. malleable implants, a few practical differences tend to guide the conversation:
- Feel and appearance: inflatable devices move between erect and flaccid states, while malleable devices remain firm and are positioned by hand.
- Ease of use: malleable implants are simple to operate, while inflatable implants require squeezing a pump.
- Complexity: inflatable devices have more components; malleable devices have fewer.
- Hand strength and dexterity: a malleable device may be easier for men who find a pump difficult to use.
There is no single best implant for every man. The right choice depends on your anatomy, your overall health, your dexterity, and your personal preferences.
How To Choose The Right Penile Implant
Choosing between the types of penile implants is a shared decision. Your urologist will consider your general health, any prior pelvic or penile surgery, your manual dexterity, and what matters most to you day to day. Some men prioritize the discreet, natural feel of an inflatable device, while others value the simplicity of a malleable one. An open conversation about your expectations, and often your partner's, helps match the device to your life rather than the other way around.
What A Penile Implant Does And Does Not Change
A penile implant is designed to address the ability to achieve firmness, and it works only in that respect. It is not intended to change penile sensation, the ability to reach orgasm, or the way you urinate. It also does not treat the underlying cause of erectile dysfunction; instead, it provides a dependable mechanical solution when other treatments have fallen short. Because individual results and expectations differ, your urologist can explain what an implant will and will not do for your particular situation before any decision is made.
What Recovery Generally Involves
Penile implant surgery is commonly performed as an outpatient procedure. Your care team will provide specific instructions on activity, healing, and when the device can first be used, as these vary from person to person. Following those instructions closely supports the best result. Your urologist is the right person to ask about what recovery will look like in your particular case.
Talk To Advanced Urology
If erectile dysfunction has not improved with other treatments, a penile implant may be worth discussing.
Our team at Advanced Urology evaluates men across the Atlanta area and can explain the options, including the difference between inflatable and malleable devices, in a private and straightforward consultation. Call us today to schedule an appointment.
