Medical devices having releasable coupling

A handle configured to releasably couple to a catheter, the handle comprising:

• a body configured to releasably couple to the catheter;
• an actuator moveably coupled to the body and having surfaces configured to be gripped by a user's hand;
• a plurality of handle control members coupled to the actuator, wherein the actuator is configured to move relative to the body to move at least one of the plurality of handle control members;
• and
• a securing member configured to move relative to the handle to releasably couple the plurality of handle control members to a plurality of catheter control members.

A catheter configured to releasably couple to a handle, the catheter comprising:

• a shaft configured to releasably couple to the handle, wherein the handle comprises an actuator having surfaces configured to be gripped by a hand of a user;
• a steering section located along the shaft;
• a plurality of catheter control members coupled to the steering section, wherein each of the plurality of catheter control members includes a first attachment member and is configured to move relative to the shaft to move the steering section;
• and
• a lumen configured to at least partially maintain coupling between the first attachment member and a corresponding attachment member located on a handle control member.

A method of assembling a medical device, comprising:

• moving a handle having a handle control member relative to a catheter having a catheter control member in an untensioned state, to engage the handle control member with the catheter control member;
• and
• moving a securing member from a first position to a second position to tension the catheter control member and couple the handle control member to the catheter control member,
• wherein the handle comprises an actuator moveably coupled to the body and having surfaces configured to be gripped by a user's hand.