The 26-year-old hasn’t played for the province since December 2019.
The South Africa international remains a doubt for this Friday’s clash with the Ospreys.
Ireland captain Johnny Sexton says he is on course to feature in Ireland’s Six Nations opener against Wales.
The Ireland captain was replaced in the second half at Thomond Park on Saturday.
The hooker has overcome a knee injury to be available for the Thomond Park clash.
Ciarán Frawley and Josh Murphy are also back for Leo Cullen’s side.
Keith Earls, Rob Herring, and Conor Murray are all set to be available too.
Sean Cronin is in a similar position after his recent thumb injury.
Ireland boss Andy Farrell already had several injury concerns ahead of the autumn campaign.
Leinster issued an injury update this afternon.
The Ireland scrum-half suffered a thigh injury a month ago against Leinster.
Meanwhile, Dan Leavy won’t be making his return on Friday night against the Dragons at the RDS.
The scrum-half will hope to be cleared of serious injury with the Six Nations resuming next month.
All three picked up injuries in last weekend’s defeat to Leinster.
The tighthead prop has been dealing with a back issue in recent weeks.
Johnny Sexton, Cian Healy, and Josh van der Flier are all fine after the win over Munster.
Meanwhile, centre Conor O’Brien will be absent for several months.
Dan Leavy is now in the final stages of his running rehabilitation.
An ankle injury has forced 39-year-old prop Lindsay Peat out.
The key forward suffered a shoulder injury earlier this month.
The Ulster fullback limped off as his side lost to Clermont last weekend.
The in-form 21-year-old is due to be fit in time for Ireland’s Six Nations opener.
The hooker has had a procedure to remedy a knee issue.
The captain had to be helped from the field early in the second half of the win in Franklin’s Gardens.
The New Zealander is dealing with ‘stiffness’ in his neck, where he has had previous injury issues.
The centre was in excellent form before a hamstring kept him out of the opening rounds of Europe.
Meanwhile, Stephen Larkham paid tribute to Alby Mathewson ahead of his departure.
Sean Cronin will step up his training as he returns from neck injury.
The hooker has not played since Ireland’s win over Russia.
Their international centre will be available to face Leinster next weekend.
The province kick off their campaign against Benetton midway through next month.
Conan will go under the knife in the UK this week.
The Ulster back row won’t be heading home after picking up a rib injury.
Ireland said it was always the plan to replace Johnny Sexton after 40 minutes.
Jordi Murphy is due to join the squad in Kobe tomorrow and play on Thursday.
The Leinster number eight has been in line to start tomorrow’s World Cup clash with Japan.
Johann van Graan’s side open their Pro14 season against Dragons on Saturday.
Ireland were back on the training pitch today as they build-up to Saturday’s clash with Japan.
Peter O’Mahony and Bundee Aki have passed HIA2 and could be available against Japan.
Daly has been ruled out for up to five months after knee surgery.